1. Andrews, G. R.: Concurrent Programming: Principles and Practice. The Benjamim/Cumming Publishing Co. (1991)
2. Allen, B.P.: Case-Based Reasoning: Business Applications Communications of ACM (1994), March, vol. 37,Nr 3, pages 40–42
3. SunSoft: Multi Threads Programming Guide. Sun Microsystems Inc. (1994).
4. Bittencourt, G.: In the Quest of the Missing Link. Proceedings of IJCAI 15, Nagoya, Japan, August 23–29 Morgan Kaufmann (ISBN 1-55860-480-4), (1997), pages 310–315.
5. Davies, L.: Handbook of Genetic Algorithms. CVan Nostrand Reinhold, New York (1991)