lntersystems Publications ( The systems inquiry series) Salinas, Cal. - USA, 1985, 116p.
Ed. A. Blanchard, Paris, 1987. 168 pages.
Edition Polytechnica, Paris, 1993 , 160 pages.
L'Harmattan, Paris, 2003, 252 p., ISBN 2-7475-2837-5.
Ed. Afcet-Dunod. RIS Vol. 6, n° 4, 1992. pp. 289-461...