1. D. E. Appelt. Planning Natural Language Utterances to Satisfy Multiple Goals. PhD thesis, Stanford Univ., 1981.
2. The Evolution of Cooperation;Axelrod,1984
3. D. Corkill. A Framework for Organizational Self-Design in Distributed Problem-Solving Networks. PhD thesis, University of Massachusetts, Amherst, MA, 1982.
4. Daniel D. Corkill and Victor R. Lesser. The use of meta-level control for coordination in a distributed problem solving network. IJCAI-83, pp. 748–756.
5. Prisoners, paradox and rationality;Davis;American Philosophical Quarterly,1977