1. Adams, R.N. (1982). Paradoxical Harvest. Cambridge, Cambridge University Press.
2. Allen, Peter, (1985). ‘Ecology, Thermodynamics, and Self-organization: Towards a new understanding of complexity’ in Robert Ulanowicz and Trevor Platt eds. Ecosystem Theory for Biological Oceanography. Ottawa, Dept. of Fisheries and Oceans.
3. Henri Atlan, (1985). ‘Information Theory and Self-organization in Ecosystems’. in Ulanowicz and Platt, op. cit.
4. Boulding, Kenneth, (1981). Evolutionary Economics, Beverly Hills, Sage Publications.
5. Brooks, Daniel R., and Edward O. Wiley, (1986). Evolution as Entropy. Chicago and London, University of Chicago Press.