Scientific Publications Francis Heylighen

The following is a list of my most important publications with bibliographic references. If available there is also a link to the web version (mostly PDF (preferred version), sometimes HTML or even text). They are ordered starting from the most recent ones, and those in which my own contribution is the largest. The asterisks (*) denote the most important or representative publications.

To find my most cited publications and the papers that cite them, use Google Scholar.


Books

Heylighen F.,  Bollen J & Riegler A.  (ed.) (1999): The Evolution of Complexity (Kluwer Academic, Dordrecht).

Heylighen F., Joslyn C. & Turchin V. (1995) (eds.): The Quantum of Evolution. Toward a theory of metasystem transitions, (Gordon and Breach Science Publishers, New York) (special issue of "World Futures: the journal of general evolution, volume 45, numbers 1-4).

Heylighen F. (ed.) (1991): Workbook of the 1st Principia Cybernetica Workshop (Principia Cybernetica, Brussels-New York), 70p.

*Heylighen F. (1990): Representation and Change. A Metarepresentational Framework for the Foundations of Physical and Cognitive Science, (Communication & Cognition, Gent), 200 p.

Heylighen F., Rosseel E. & Demeyere F. (eds.) (1990): Self-Steering and Cognition in Complex Systems. Toward a New Cybernetics, (Gordon and Breach Science Publishers, New York), 440p.


Single-authored papers

Heylighen F. (2011) Self-organization in Communicating Groups: the emergence of coordination, shared references and collective intelligence,  in: Language and Complexity (Barcelona University Press)

Heylighen F. (2011) Evolutionary Psychology, in: A. Michalos (ed.): Encyclopedia of Quality of Life Research (Springer, Berlin).

*Heylighen F. (2011) Self-organization of complex, intelligent systems:  an action ontology for transdisciplinary integration, Integral Review (in press)

Heylighen F. (2010) The Self-organization of Time and Causality: steps towards understanding the ultimate origin, Foundations of Science, 15(4), 345-356. (doi:10.1007/s10699-010-9171-1)

Heylighen F. Stimuleren van geluk en sociale vooruitgang: een libertair paternalistische benadering , Ethiek en Maatschappij.

Heylighen F. (2008): Complexity and Self-organization, in: Encyclopedia of Library and Information Sciences, eds. M. J. Bates & M. N. Maack (Taylor & Francis, 2008)

Heylighen F. (2008): Five Questions on Complexity, in: C. Gershenson (ed.): Complexity: 5 questions, Automatic Press / VIP, 2007 or 2008.

*Heylighen F. (2007): Accelerating Socio-Technological Evolution: from ephemeralization and stigmergy to the global brain, in: "Globalization as an Evolutionary Process: Modeling Global Change", edited by George Modelski, Tessaleno Devezas, and William Thompson, London: Routledge, p.286-335.

*Heylighen F. (2007). Warum ist Open-Access Entwicklung so Erfolgreich? (Why is Open Source Development so Successful? Stigmergic organization and the economics of information), in: B. Lutterbeck, M. Baerwolff & R. A. Gehring (eds.), Open Source Jahrbuch 2007, Lehmanns Media, 2007, p. 165-180.

*Heylighen F. (2007): "The Global Superorganism: an evolutionary-cybernetic model of the emerging network society", Social Evolution & History. 6 No. 1,p. 58-119--a detailed exposition of the superorganism/global brain view of society, and an examination of the underlying evolutionary mechanisms, with applications to the on-going and future developments in a globalizing world

*Heylighen F. (2006): "Mediator Evolution: a general scenario for the origin of dynamical hierarchies", in: D. Aerts, B.D'Hooghe & N. Note (eds.) Worldviews, Science and Us. (Singapore: World Scientific)

Heylighen F. (2006): The anticipation-control theory of mind: an evolutionary-cybernetic perspective on cognition, consciousness and the brain (ECCO working paper 2006-01)

Heylighen F. (2006): A Nodal Growth Algorithm for Concept Discovery (ECCO working paper 2006-02)

*Heylighen F. (2005): "Conceptions of a Global Brain: an historical review", , Technological Forecasting and Social Change[in press ]

Heylighen F. (2005): "Complexity and Information Overload in Society: why increasing efficiency leads to decreasing control", Technological Forecasting and Social Change[submitted]

*Heylighen F. (2005): "Tackling Complexity and Information Overload: from intelligence amplification and attention economy to the global brain", Technological Forecasting and Social Change[submitted ]

Heylighen F. (2004): "Das Globale Gehirn als neue Utopia" (The Global Brain as a new Utopia), in: R. Maresch & F. Rötzer (eds.) Renaissance der Utopie (Suhrkamp, Frankfurt)

*Heylighen F. (2001): "Mining Associative Meanings from the Web: from word disambiguation to the global brain", in: Proceedings of  the International Colloquium: Trends in Special Language & Language Technology, R. Temmerman & M. Lutjeharms (eds.)  (Standaard Editions, Antwerpen), p. 15-44.--applications of associative networks, which learn associations through Hebbian-style rules either by measuring co-occurrence of words in text or patterns of usage, to problems of ambiguity and meaning in language.

*Heylighen F. (2001): "The Science of Self-organization and Adaptivity", in: L. D. Kiel, (ed.) Knowledge Management, Organizational Intelligence and Learning, and Complexity, in: The Encyclopedia of Life Support Systems ((EOLSS), (Eolss Publishers, Oxford). [http://www.eolss.net] -- an extensive, non-technical review of the basic concepts and principles developed in theories of self-organization, such as order from noise, attractors, entropy, fitness landscapes, bifurcations, feedback, closure, etc.

*Heylighen F. (2001): "Bootstrapping knowledge representations: from entailment meshes via semantic nets to learning webs",  Kybernetes 30 (5/6), p. 691-722. (PDF) Belorussian translation

*Heylighen F. (2000): "Foundations and Methodology for an Evolutionary World View: a review of the Principia Cybernetica Project", Foundations of Science, 5, p. 457-490.-- a summary of PCP's philosophical assumptions, as discussed in more detail on its website, and of their implications for the practical development of the project.

Heylighen F. (2000): "Evolutionary Transitions: how do levels of complexity emerge?", Complexity 6 (1), p. 53-57-- A joint review of 5 books (by Pettersson, Maynard Smith & Szathmary, Coren, Stewart and Turchin)  discussing the evolution of complexity levels.

Heylighen F. (1999): "The necessity of theoretical constructs: a refutation of Gatherer's plea for a behaviorist memetics", Journal of Memetics 3:1.

*Heylighen F. (1999): "The Growth of Structural and Functional Complexity during Evolution", in: F. Heylighen, J. Bollen & A. Riegler (eds.) The Evolution of Complexity (Kluwer Academic, Dordrecht), p. 17-44.
(PDF)

*Heylighen F. (1999): "Collective Intelligence and its Implementation on the Web: algorithms to develop a collective mental map", Computational and Mathematical Organization Theory 5(3), 253-280.

Heylighen F. (1999): "Advantages and limitations of formal expression",  Foundations of Science, 4:1, p. 25-56. a theoretical, philosophical discussion of the formality concept expounded in a more empirical paper, with emphasis on the intrinsic limitations of scientific modelling, such as the Gödel theorem and the Uncertainty principle.

*Heylighen F. (1998): "What makes a meme successful?", in: Proc. 16th Int. Congress on Cybernetics (Association Internat. de Cybern_(c)tique, Namur), p. 423-418.

Heylighen F. (1998): "Editorial: the memetics community is coming of age", Journal of Memetics 2:2, p. 1-3.

Heylighen F. (1997): "Towards a Global Brain. Integrating Individuals into the World-Wide Electronic Network", published in German as: "Auf dem Weg zum 'Global Brain'. `Der Mensch im weltweiten electronischen Netz", in: Der Sinn der Sinne, Uta Brandes & Claudia Neumann (Eds.) (Steidl Verlag, Göttingen), p. 302-318.

*Heylighen F. (1997): "The Economy as a Distributed, Learning Control System", Communication & Cognition- AI 13, nos. 2-3, p. 207-224. (PDF)

*Heylighen F. (1997): "Objective, subjective and intersubjective selectors of knowledge",Evolution and Cognition 3:1, p. 63-67. (PDF)

Heylighen F. (1997): "Evolution and Complexity: an introduction to the book", in: F. Heylighen (ed.) The Evolution of Complexity (Kluwer, Dordrecht).

Heylighen F. (1997): "Classic Publications on Complex, Evolving Systems: a citation-based survey, Complexity 2 (5), p. 31-36.

Heylighen F. (1996): "Evolution of Memes on the Network: from chain-letters to the global brain", in: Ars Electronica Festival 96. Memesis: the future of evolution, G. Stocker & C. Schöpf (eds.) (Springer, Vienna/New York), p. 48-57.

Heylighen F. (1996): "Application of the World-Wide Web for the Development and Publication of a Systems Encyclopedia", in: Proc. 14th Int. Congress on Cybernetics (Association Internat. de Cybern_(c)tique, Namur) p. 256-260.  --Shorter version of Development and Publication of Systems Knowledge on the Internet

*Heylighen F. (1995): "(Meta)systems as Constraints on Variation: a classification and natural history of metasystem transitions", World Futures: the Journal of General Evolution 45, p. 59-85.

Heylighen F. (1994): "World-Wide Web: a distributed hypermedia paradigm for global networking", in: Proceedings of SHARE Europe, Spring 1994, "The Changing Role of IT in Business" (SHARE Europe, Geneva), p. 355-368.

*Heylighen F. (1994) "Fitness as Default: the evolutionary basis of cognitive complexity reduction", in: Cybernetics and Systems '94, R. Trappl (ed.), (World Science, Singapore), p.1595-1602. (PDF)

Heylighen F. (1993): "Selection Criteria for the Evolution of Knowledge", in: Proc. 13th Int. Congress on Cybernetics (Association Internat. de Cybern_(c)tique, Namur), p. 524-528. (PDF)

Heylighen F. (1993): "On Internal Representation", Informatica, 17, No. 3, p. 294.

*Heylighen F. (1992): "Principles of Systems and Cybernetics: an evolutionary perspective", in: Cybernetics and Systems '92, R. Trappl (ed.), (World Science, Singapore), p. 3-10. (PDF)

Heylighen F. (1992): "Non-Rational Cognitive Processes as Changes of Distinctions", in: New Perspectives on Cybernetics. Self-Organization, Autonomy and Connectionism, G. Van de Vijver (ed.), (Synthese Library v. 220, Kluwer Academic, Dordrecht), p. 77-94.  --reprint of journal paper.

Heylighen F. (1992): "From Complementarity to Bootstrapping of Distinctions: A Reply to Löfgren's Comments on my Proposed 'Structural Language", International Journal of General Systems 21, no. 1, p. 99.

Heylighen F. (1992): "Distinction Dynamics: from mechanical to self-organizing evolution", in: Proc. of the Int. Workshop "Analysis and Control of Dynamical Systems", E. Gindev (ed.), (CLCS, Bulgarian Academy of Sciences, Sofia).

*Heylighen F. (1992): "A Cognitive-Systemic Reconstruction of Maslow's Theory of Self-Actualization", Behavioral Science 37, p. 39-58. (PDF)

*Heylighen F. (1992) : "Selfish Memes and the Evolution of Cooperation", Journal of Ideas , Vol. 2, #4, pp 77-84.

*Heylighen F. (1992) : "Evolution, Selfishness and Cooperation", Journal of Ideas, Vol 2, # 4, pp 70-76.

*Heylighen F. (1991): Design of a Hypermedia Interface Translating between Associative and Formal Representations", International Journal of Man-Machine Studies 35, p. 491-5 (PDF)

Heylighen F. (1991): " Structuring Knowledge in a Network of Concepts", in : Workbook of the 1st Principia Cybernetica Workshop, Heylighen F. (ed.) (Principia Cybernetica, Brussels-New York), p. 52-58.

*Heylighen F. (1991): "Modelling Emergence", World Futures: the Journal of General Evolution 31 (Special Issue on Emergence, edited by G. Kampis), p. 89-104.

Heylighen F. (1991): "Evolutionary Foundations for Metaphysics, Epistemology and Ethics", in : Workbook of the 1st Principia Cybernetica Workshop, Heylighen F. (ed.) (Principia Cybernetica, Brussels-New York), p. 33-39.

Heylighen F. (1991): "Coping with Complexity. Concepts and principles for a support system", Systemica 8, part 1 (special issue on Mutual Uses of Cybernetics and Science, edited by Glanville R. & de Zeeuw G.), p. 39-55.

*Heylighen F. (1991): "Cognitive Levels of Evolution: pre-rational to meta-rational", in: The Cybernetics of Complex Systems - Self-organization, Evolution and Social Change, F. Geyer (ed.), (Intersystems, Salinas, California), p. 75-91.

Heylighen F. (1991): "An Evolutionary System about Evolutionary Systems: Introducing the Principia Cybernetica Project", in: Workbook of the 1st Principia Cybernetica Workshop, Heylighen F. (ed.) (Principia Cybernetica, Brussels-New York), p. 1-6.

Heylighen F. (1990): "Relational Closure: a mathematical concept for distinction-making and complexity analysis", in: Cybernetics and Systems '90, R. Trappl (ed.), (World Science, Singapore), p. 335-342. (PDF)

Heylighen F. (1990): "Non-Rational Cognitive Processes as Changes of Distinctions", Communication & Cognition 23, No. 2-3, p. 165-181.

*Heylighen F. (1990): "Classical and Non-classical Representations in Physics I", Cybernetics and Systems 21, p. 423-444. (PDF)

*Heylighen F. (1990): "Classical and Non-classical Representations in Physics II: Quantum mechanics", Cybernetics and Systems 21, p. 477-502. (PDF)

Heylighen F. (1990): "Autonomy and Cognition as the Maintenance and Processing of Distinctions", in: Self-Steering and Cognition in Complex Systems, Heylighen F., Rosseel E. & Demeyere F. (ed.), (Gordon and Breach, New York), p. 89-106.

*Heylighen F. (1990): "A Structural Language for the Foundations of Physics", International Journal of General Systems 18, p. 93-112. (PDF)

Heylighen F. (1990): "A New Transdisciplinary Paradigm for the Study of Complex Systems?", in: Self-Steering and Cognition in Complex Systems, Heylighen F., Rosseel E. & Demeyere F. (ed.), (Gordon and Breach, New York), p. 1-16.

Heylighen F. (1989): "Self-Organization, Emergence and the Architecture of Complexity", in: Proceedings of the 1st European Conference on System Science, (AFCET, Paris), p. 23-32. (PDF)

Heylighen F. (1989): "On a proposal for the creation of an international network for complexity research", Kybernetes: An International Journal of Cybernetics and General Systems 18,5, p. 56-70.

*Heylighen F. (1989): "Causality as Distinction Conservation: a theory of predictability, reversibility and time order", Cybernetics and Systems 20, p. 361-384. (PDF)

Heylighen F. (1989): "A Support System for Structuring Complex Problem Domains", in: Proc. 12th Int. Congress on Cybernetics (Assoc. Intern. de Cybern_(c)tique, Namur), p. 1025-1032. --Shorter version of the IJMMS paper on hypermedia interfaces.

Heylighen F. (1988): "Project voor een Transdisciplinair Onderzoekscentrum"(Dutch for "Project for a Transdisciplinary Research Center"), Nieuw Tijdschrift van de VUB 2, p. 115-128.

Heylighen F. (1988): "Formulating the Problem of Problem-Formulation", in: Cybernetics and Systems '88, Trappl R. (ed.), (Kluwer Academic Publishers, Dordrecht), p. 949-957. (PDF)

Heylighen F. (1988): "Building a Science of Complexity", in: Proc. 1988 Annual Conference of the Cybernetics Society, H.A. Fatmi (ed.), (Cybernetics Society, King's College, London), p. 1-22. (PDF)

Heylighen F. (1987): "Formal Foundations for an Adaptive Metarepresentation", in: Cybernetics and Systems: the Way Ahead V2 J. Rose (ed.), (Thales, St. Annes-on-Sea, Lancashire), p. 648-651.

Heylighen F. (1986): "Towards a General Framework for Modelling Representation Changes", in: Proc. 11th Int. Congress on Cybernetics, (Assoc. Internat. de Cybern_(c)tique, Namur), p. 136-141.

*Heylighen F. (1984): "Het transcenderen van de conceptueel-symbolische code"(Dutch for "Transcending the Conceptual-Symbolic Code"), "O": tijdschrift voor filosofische beproevingen 7, p. 119-142. -- A very first attempt at a theory of metasystem transitions. Argues that science, art, philosophy and mystical experiences each provide complementary first steps towards a higher level of cognition, which would transcend the present conceptual-symbolic way of thinking.


First-authored papers

*Heylighen F. & Chielens K. (2008): Evolution of Culture, Memetics, in: Encyclopedia of Complexity and Systems Science, ed. B. Meyers (Springer).

Heylighen F. & Vidal C. (2008): Getting Things Done: The Science behind Stress-Free Productivity (submitted)

Heylighen F., P. Cilliers, & C. Gershenson (2007): "Complexity and Philosophy", in: Jan Bogg and Robert Geyer (editors), Complexity, Science and Society, (Radcliffe Publishing, Oxford)

*Heylighen F., Heath M., F. Van Overwalle (2004): The Emergence of Distributed Cognition: a conceptual framework, Proceedings of Collective Intentionality IV, Siena (Italy)*

*Heylighen F. & Bernheim J. (2004): "From Quantity to Quality of Life: r-K selection and human development", submitted*

Heylighen F. & C. Gershenson (2003): "The Meaning of Self-organization in Computing", IEEE Intelligent Systems 18:4, p. 72-75.

*Heylighen F. & Bollen J. (2002): "Hebbian Algorithms for a Digital Library Recommendation System", in Proceedings 2002 International Conference on Parallel Processing Workshops (IEEE Computer Society Press)*

*Heylighen F. & Dewaele J-M. (2002): "Variation in the contextuality of language: an empirical measure", Foundations of Science 6, p. 293-340 --a slighty shorter version of our unpublished paper on formality of language

Heylighen F. & Bernheim J. (2001): "Measuring Global Progress Through Subjective Well-Being", in: Proceedings of the III Conference of the ISQOLS  (University of Girona Press), p. 515-528. --shorter version of Global Progress I, with some additional material on why the measurement of subjective well-being or happiness is prone to "relativistic" distortions, and how these could be minimized

*Heylighen F. & Bernheim J.(2000): "Global Progress I: empirical evidence for increasing quality of life", Journal of Happiness Studies 1 (3), p. 323-349
*Heylighen F. & Bernheim J. (2000): "Global Progress II: evolutionary mechanisms and their side-effects", Journal of Happiness Studies
1(3), p. 351-374

*Heylighen F. & Joslyn C. (2001): "Cybernetics and Second Order Cybernetics", in: R.A. Meyers (ed.), Encyclopedia of Physical Science & Technology , Vol. 4 (3rd ed.), (Academic Press, New York), p. 155-170. --an dense introduction to and review of the basic ideas of cybernetics, including relational concepts, information and entropy, cyclical processes such as feedback, self-organization and autopoiesis, goal-directedness and control, the laws of requisite variety, requisite hierarchy and requisite knowledge, and a constructivist view of cognition and model-building.

*Heylighen F. & Bollen J. (1996) "The World-Wide Web as a Super-Brain: from metaphor to model", in: Cybernetics and Systems '96 R. Trappl (ed.), (Austrian Society for Cybernetics).p. 917-922. (PDF)

Heylighen F. & Joslyn C. (1995): "Towards a Theory of Metasystem Transitions", World Futures: the Journal of General Evolution 45, p. 1-4.  --Preface to "The Quantum of Evolution".

Heylighen F. & Joslyn C. (1995): "Systems Theory", in: The Cambridge Dictionary of Philosophy, R. Audi (ed.) (Cambridge University Press, Cambridge), p.784-785.

*Heylighen F. & Campbell D.T. (1995): "Selection of Organization at the Social Level: obstacles and facilitators of metasystem transitions ", World Futures: the Journal of General Evolution 45, p. 181-212. (PDF)

Heylighen F. & Dewaele J-M. (1994): " Formality of Language: definition, measurement and behavioral determinants", (PDF) unpublished

Heylighen F. & Bollen J.(1994): "Development and Publication of Systems Knowledge on the Internet: the Principia Cybernetica Web", (unpublished)

Heylighen F. & Joslyn C. (1993): "Electronic Networking for Philosophical Development in the Principia Cybernetica Project", Informatica 17, No. 3, p. 285-293. --Similar to the "Notes on the Principia Cybernetica Project"

Heylighen F., Joslyn C. & Turchin V. (1991) : "A Short Introduction to the Principia Cybernetica Project", Journal of Ideas 2, #1 p. 26--29.


Co-authored papers

Heylighen A., Heylighen F., Bollen J. &, Mathias Casaer M. (2007): Distributed (design) knowledge exchange, AI & Society, 22(2), 145-154.

*Van Overwalle F. & Heylighen F. (2006): "Talking Nets: A Multi-Agent Connectionist Approach to Communication and Trust between Individuals", Psychological Review 113, 606-627.

Van Overwalle F. & Heylighen F. (2006): Trust in Communication between Individuals: A Connectionist Approach, Proceedings 7th International Conference on Cognitive Modelling, Trieste, Italy, 5-8 April 2006

Chielens K. & Heylighen F. (2005): Operationalization of Meme Selection Criteria: procedures to empirically test memetic hypotheses, Proceedings AISB 2005 .

Heylighen A., Heylighen F., Bollen J. &, Mathias Casaer M. (2005): A distributed model for tacit design knowledge exchange, in: Proceedings of Social Intelligence Design 2005, R. Fruchter (ed.).

Gershenson C. & Heylighen F. (2004): Protocol Requirements for Self-organizing Artifacts: Towards an Ambient Intelligence, in: Proc. Int. Conf. on Complex Systems (New England Institute of Complex Systems)

Gershenson C. & F. Heylighen (2004). How can we think the complex? in: Richardson, Kurt (ed.) Managing the Complex Vol. 1: Philosophy, Theory and Application.(Institute for the Study of Coherence and Emergence/Information Age Publishing)

Gershenson C. & F. Heylighen (2003). "When Can we Call a System Self-organizing?", In Banzhaf, W, T. Christaller, P. Dittrich, J. T. Kim, and J. Ziegler (eds.), Advances in Artificial Life, 7th European Conference, ECAL 2003, (Springer, LNAI 2801.), p. 606-614.

Joslyn C. & Heylighen F. (1999): "Cybernetics", in: The Encyclopedia of Computer Science, D. Hemmendinger, A. Ralston &  E. Reilly (eds.) (Nature Publishing Group, London), p. 470-473.

Bollen J. & Heylighen F. (1998): "A system to restructure hypertext networks into valid user models", New Review of HyperMedia and Multimedia 4, p. 189-213.

Bollen, J., Heylighen F. & van Rooy D. (1998): "Improving Memetic Evolution in Hypertext and the WWW", in: Proc. 16th Int. Congress on Cybernetics (Association Internat. de Cybern_(c)tique, Namur), p. 449-454.

Bollen J. & Heylighen F. (1997): "Dynamic and adaptive structuring of the World Wide Web based on user navigation patterns", Proceedings of the Flexible Hypertext Workshop (Macquarie Computing Reports, Sydney), p. 13-17.

Van Overwalle, F., & Heylighen, F. (1995): "Relating covariation information to causal dimensions through principles of contrast and invariance", European Journal of Social Psychology 25, p. 435-455.

*Bollen J. & Heylighen F. (1996) "Algorithms for the self-organisation of distributed, multi-user networks. Possible application to the future World Wide Web", in: Cybernetics and Systems '96 R. Trappl (ed.), (Austrian Society for Cybernetics), p. 911-916. (PDF)

Dewaele J-M. & Heylighen F.(1994): "Formality of Language II: linguistic, situational and personality variable correlated with formality", unpublished

Joslyn C., Heylighen F. & Turchin V. (1993): "Synopsis of the Principia Cybernetica Project", in: Proc. 13th Int. Congress on Cybernetics (Association Internationale de Cybern_(c)tique, Namur), p. 509-513.

Boden M., Geyer F., Maturana H., Pask G. & Heylighen F. (1990): "Old and New Cybernetics: a panel discussion", in: Self-Steering and Cognition in Complex Systems, Heylighen F., Rosseel E. & Demeyere F. (ed.), (Gordon and Breach, New York), p. 33-46.

Van Overwalle F.J., Heylighen F., Casaer S. & Daniels M. (1992): "Preattributional and Attributional Determinants of Emotions and Expectations", European Journal of Social Psychology 20, p. 313-329.

Van Overwalle F.J. & Heylighen F.: "Covariation and Contrast under Time and Task Constraints: evidence for an invariance rule?", unpublished

Van Overwalle F.J. & Heylighen F. (1991): "Invariantiekenmerken bij antecedente condities en attributionele dimensies: waarnemen van oorzaken, verwachtingen en emoties"(Dutch for "Invariance Features associated with Antecedent Conditions and Attributional Dimensions: perception of causes, expectations and emotions"), in: Fundamentele Sociale Psychologie (deel 5), J. van der Pligt, W. van der Kloot, A. van Knippenberg & M. Poppe (eds.) (Tilburg University Press, Netherlands), p. 44-60.

Sjödin T. & Heylighen F. (1985): "Tachyons Imply the Existence of a Privileged Frame", Lettere al Nuovo Cimento (now Europhysics Letters) 44, p. 617-623.