Kluwer Academic/Plenum Publishers, Hardbound, ISBN 0-306-47458-1, 2002
Paris, LG.D.J., 1981, 466 p.
Bruxelles, Bruylant, 1998, 378 p.
XLibris Corporation by Orders [at] Xlibris.com, www.Xlibris.com , 2002, ISBN: Softcover 1-4010-4685-1
Springer Series in Synergetics, Springer Verlag, 1994.