EDITIONS APOGEE, diffusion PUF, 2010, ISBN 978 284398 360 3, 159 pages
Ed. ESF (Collection Communication et Complexité) Paris, 1989 199 p.
InterEdition 1993.
Volume V of the Santa Fé Institute Studies in the Sciences of Complexity, AddisonWesley Pub. Cy. N.Y. 1988. 317 p.