Gratz, Pauline. Integrated science an interdisciplinary approach; a suggested course of study. - Philadelphia F.A. Davis Co. [1966] - viii, 103 p. 23 cm. Bibliography: p. 88-92. LCCN: 65027447 Subjects--Topical Terms: Science--Study and teaching. LC Class. No.: Q181 / .G54 Dewey Class. No.: 507