De la génétique animale aux systèmes agraires
Editions QUAE, 2009, ISBN 978 2 7380 1261 6, 534 pages
éditions Economica, Paris, 2002, ISBN 2 7178 4461 9, 363 pages
Published by the Elmwood Institute, Berbeley, CA 94705. Edited by "Systems Education Research", Olympia, Wa 98502, first édition, winter 1990 104 pages.