Hewitt, Paul G. Conceptual physics / written & illustrated by Paul G. Hewitt. - 7th ed. - New York, NY : HarperCollinsCollegePublishers, c1993. - xvii, 733 p. : ill. (some col.) ; 24 cm. Includes bibliographical references and index. ISBN: 0673521850 LCCN: 92014180 Subjects--Topical Terms: Physics. LC Class. No.: QC23 / .H56 1993 Dewey Class. No.: 530