Lefrancois, Guy R, The lifespan /Guy R. Lefrancois. - fifth edition. - Belmont, California : Wadsworth Pub. Company, (c)1996. - 643 pages : illistrations (some color) ; 28 cm. LCCN: 95017026 Subjects--Topical Terms: Developmental psychology. LC Class. No.: BF713 / .L544 1996 BF713