Intersystems Publication (the systems inquiry series) Salinas Cal. 1984 - 269 p.
Edition PUF- Nouvelle Encyclopédie Diderot. Paris 1999. , ISBN 2 13 05 0104 4, 371 pages.
Grupo Editorial Cenzontle, Mexico D. F., Mexique, 2006, ISBN : 970-9929-02-X , 341 pages