Richtmyer, F. K. Introduction to modern physics [by] F. K. Richtmyer, E. H. Kennard [and] John N. Cooper. - 6th ed. - New York, McGraw-Hill [1969] - xvi, 767 p. illus., ports. - International series in pure and applied physics . ISBN: 0070995427 Subjects--Topical Terms: Physics. LC Class. No.: QC21 / .R5 1969 Dewey Class. No.: 539