Janzen, Janice E. Understanding the nature of autism : a practical guide / Janice E. Janzen - San Antonio : Therapy Skill Builders, 1996 - xxiii, 454 p. : ill. ; 28 cm. Includes bibliographical references ISBN: 0761643796 RM336.87 Subjects--Topical Terms: Autism National Library of Medicine Call No.: WM203.5