Implications for Economic Policy
2005 336 pp Hardback 1 84376 668 X
Ed. les Editions d'Organisations, Paris, 1991, 304 p.
(Lecture Notes, Volume III,Santa Fe Institute), Addison-Wesley Pub.Cy., Reading, Mass., 1993. 330 pages.
Ed. ESF (Collection Communication et Complexité) Paris, 1989 199 p.