1. Evolutionary systems and society: A general theory; Duke University Press: Durham, NC, 1989.
2. Origin of complexity and organizational levels during evolution in complex organizational functions: Integration and evolution in vertebrates. ; eds. Wiley: New York, NY, 1989; 349-360.
3. Nature and origin of biological and social information in evolution of information processing systems. ed. Springer: Berlin, 1992; 257-281.
4. Autogenesis: The evolution of replicative systems
5. MINDLIKE BEHAVIOUR IN ARTEFACTS