Introduction to modern physics / F. K. Richtmyer, E. H. Kennard [and] John N. Cooper. Richtmyer, F. K. (Floyd Karker), 1881-1939. Kennard, E. H. (Earle Hesse), 1885- joint author. Cooper, John N., joint author. Physics. QC21 .R5 1969 530 RII Includes bibliographical references and index. New York : McGraw-Hill, 1969. 1969. 1969 Text xvi, 767 p. : eng International series in pure and applied physics International series in pure and applied physics