Editions Odile Jacob, 2012, ISBN 978 27381 2754 0 92 PAGES
lntersystems Publications ( The systems inquiry series) Salinas, Cal. - USA, 1985, 116p.
Ed. Hazan, Paris, 1997, 543 pages.
Ed. L'Harmattan, 2001, , ISBN 2-7475-0259-7 , 236 pages.
