Editions Chronique Sociale, Lyon, 2007, ISBN : 978-2-85008-654-1, 288 p.
Ed. ESF - Paris 1991
Palgrave MacMillan, NY, 2008, ISBN ? 13 : 978 0 230 51548 2, 365 pages.
Volume V of the Santa Fé Institute Studies in the Sciences of Complexity, AddisonWesley Pub. Cy. N.Y. 1988. 317 p.