Merkel, James A. Basic engineering principles / by James A. Merkel. - Westport, Conn. : AVI Pub. Co., 1974. - vii, 204 p. : ill. ; 24 cm. Includes bibliographical references and index. ISBN: 0870551647 LCCN: 74084469 Subjects--Topical Terms: Engineering Dewey Class. No.: 620