Modalites, rhythmes, mecanismes de l'evolution biologique: Gradualisme phyletique ou equilibres ponctues
Editions du Centre National de Recherche Scientifique, 1983. First Edition. Trade Paperback. 335 pages. All artricles have abstracts in French and English. The articles are either in French or English. First edition (first printing). A near fine copy in color illustrated blue wrappers (paperback).