Nils A. Baas and Claus Emmeche (1997): "On emergence and explanation", Intellectica 1997/2, no.25, pp.67-83 (also as: the SFI Working Paper 97-02-008. Santa Fe Institute, U.S.A).
C. Emmeche & Charbel Niño El-Hani (1999): "Definindo vida, explicando emergência", Série Ciência e Memória, No. 02/99 (CNPq, Observatório Nacional, Rio de Janeiro).
C. Emmeche, S. Køppe and F. Stjernfelt (2000): "Levels, Emergence, and Three Versions of Downward Causation", pp. 13-34 in: P. B. Andersen, C. Emmeche, N. O. Finnemann and P. Voetmann Christiansen, eds.: Downward Causation. Minds, Bodies and Matter. Århus: Aarhus University Press.
Claus Emmeche (2004): "A-life, organism and body: The semiotics of emergent levels", pp. 117-124 in: Mark Bedeau, Phil Husbands, Tim Hutton, Sanjev Kumar & Hideaki Suzuki (eds.): Workshop and Tutorial Proceedings. Ninth International Conference on the Simulation and Synthesis of Living Systems (Alife IX), Boston Massachusetts, September 12th, 2004. [pdf file (76 K)]
Claus Emmeche (2007): "On the biosemiotics of embodiment and our human cyborg nature", pp. 379-410 in: Tom Ziemke, Jordan Zlatev and Roslyn M. Frank (eds.): Body, Language and Mind. Volume 1: Embodiment. (= Cognitive Linguistics Research 35.1). New York: Mouton de Gruyter. -- [a modified version is: Claus Emmeche (2007): "A biosemiotic note on organisms, animals, machines, cyborgs, and the quasi-autonomy of robots", Pragmatics & Cognition 15(3): 455-483. (pdf file) ]