Dunod, 1995 (Bordas, 1976 pour la lère édition française)
Ed. INRA-SAD, Paris, 1993. 334 p.
Volume V of the Santa Fé Institute Studies in the Sciences of Complexity, AddisonWesley Pub. Cy. N.Y. 1988. 317 p.
Revue Economie Rurale, (SFER), Paris 1990