Weidner, Richard T. Elementary modern physics / Richard T. Weidner and Robert L. Sells - 2nd ed. - Boston : Allyn & Bacon, Inc., c1974. - x, 515 p. ; ill., figs., tabs. ; 24 cm. ISBN: LCCN: Subjects--Topical Terms: Physics LC Class. No.: QC23 / .W4 1974 Dewey Class. No.: 530.1 / W415e