De la génétique animale aux systèmes agraires
Editions QUAE, 2009, ISBN 978 2 7380 1261 6, 534 pages
Editions Mare & Martin. ISBN: 2-84934-034-92007, www.mareetmartin.com
Published by the Elmwood Institute, Berbeley, CA 94705. Edited by "Systems Education Research", Olympia, Wa 98502, first édition, winter 1990 104 pages.
Infolio Editions, CH, 2010, ISBN 978 288474 575 8, 328 pages. www.infolio.ch