Imprint Academic 2010, ISBN 9781845401863 266 pages
Sense Publishers, Rotterdam, the Netherland , 2007, ISBN : 978 90 8790 085 4, 323 pages.
Ed. The Falmer Press. Londres. 1995. 213 page
Intersystems Publication - 1988 349 p.
Editions Autrement ? Frontières, Paris, 2005, ISBN 2 7467 0649 0, 185 pages
Volume V of the Santa Fé Institute Studies in the Sciences of Complexity, AddisonWesley Pub. Cy. N.Y. 1988. 317 p.