1. Allen PM (1976) Evolution, population dynamics and stability. Proc Natl Acad Sci USA 73(3):665–668
2. Allen PM (1993) Evolution: persistant ignorance from continual learning. In: Nonlinear dynamics & evolutionary economics, chapter III, 8. Oxford University Press, pp 101–112
3. Allen PM (1994) Evolutionary complex systems: models of technology change. In: Leydesdorff L, van den Besselaar P (eds) Chaos and economic theory. Pinter, London
4. Allen PM (2001a) Knowledge, ignorance and the evolution of complex systems. In: Foster J, Metcalfe S, (eds) Frontiers of evolutionary economics: competition, self-organisation and innovation policy. Edward Elgar, Cheltenham, UK
5. Allen PM (2001b) A complex systems approach to learning, adaptive networks. Int J Innov Manag 5(2):149–180 (June)