Editions Yves Michel, 2010, ISBN 978-2-913492-85-1, 196 pages
Intersystems Publication (the systems inquiry series) Salinas Cal. 1984 - 269 p.
Ed. L'Harmattan, 2001, , ISBN 2-7475-0259-7 , 236 pages.
Grupo Editorial Cenzontle, Mexico D. F., Mexique, 2006, ISBN : 970-9929-02-X , 341 pages
