Collection Dominos (Flammarion) - 1997 - 114 pages
PUF. "Que Sais-je ?" n° 3468, ISBN 2 13 049840 X, 127 pages.
Volume V of the Santa Fé Institute Studies in the Sciences of Complexity, AddisonWesley Pub. Cy. N.Y. 1988. 317 p.
Ed. Hachette. Paris, 1990. 157 p.