Gerhart, John, 1936 - Cells, embryos, and evolution : toward a cellular and developmental understanding of phenotypic variation and evolutionary adaptability / John Gerhart, Marc Kirschner. - Malden, Mass. : Blackwell Science, c1997. - xiii, 642p. : ill. ; 25 cm. Includes bibliographical references. ISBN: 0865425744 Subjects--Topical Terms: Evolution (Biology).Cytology.Developmental biology.