Ed. INRA-SAD, Paris, 1993. 334 p.
Editions L'harmattan, 2010, ISBN 978 2 296 11738 9, 247 pages
Ed. INRA Publications, Versailles, 1990. 366 p.
Revue Economie Rurale, (SFER), Paris 1990
Ed. Champ Vallon. Seyssel 01420. 1995. 254pages