Le Temps Editeur, 2011, ISBN 978 2 36312 004 5 , 188 pages
Les Editions de la Passion - Paris, 1991, 230 p.
Editions Octarès, Toulouse, 1996, 728 pages.
Volume V of the Santa Fé Institute Studies in the Sciences of Complexity, AddisonWesley Pub. Cy. N.Y. 1988. 317 p.