Revision History

First presented at the conference Artificial Life VIII, University of New South Wales, Sydney, NSW, Australia 9th-13th December, 2002. Essentially the same text appears in Artificial Life VIII: Proceedings of the Eight International Conference on Artificial Life, edited by Russell Standish, Mark A. Bedau and Hussein A. Abbass (MIT Press, 2003).

Copyright © 2002 All Rights Reserved.
Timestamp: 2002-12-23