Le Temps Editeur, 2011, ISBN 978 2 36312 004 5 , 188 pages
Addison-Wesley. The Santa Fé Institute Studies in the Sciences of Complexity, 1992, 447 pages.
Infolio Editions, CH, 2010, ISBN 978 288474 575 8, 328 pages. www.infolio.ch
Ed. Champ Vallon. Seyssel 01420. 1995. 254pages