Ed. ESF (Collection Communication et Complexité) Paris, 1989 199 p.
Ed. Livre de Poche, LGF 1999, ISBN 2-253-94283-9, 384 pages.
InterEdition 1993.
Volume V of the Santa Fé Institute Studies in the Sciences of Complexity, AddisonWesley Pub. Cy. N.Y. 1988. 317 p.