Ballif, Jae R. Conceptual physics : matter in motion / Jae R. Ballif and William E. Dibble. - New York : Wiley, c 1969. - ix, 637 p. : ill. ; 23 cm. 339 339 ISBN: 0471 04640 X Subjects--Topical Terms: Physics. Dewey Class. No.: 530 / D213c