Stebbins, G. Ledyard Processes of organic evolution / G. Ledyard Stebbins. - New Delhi : Prentice-Hall of India, 1970, c1966. - xii, 191 p. : - Concepts of modern biology series . Includes index.First published in c1966 by Prentice-Hall, Inc., Englewood cliffs. ISBN: MBS408 Subjects--Topical Terms: Evolution (Biology)--- Dewey Class. No.: 576.8 / Pr