Modern physics / Charles E. Dull, H. Clark Metcalfe [and] John E. Williams. Dull, Charles Elwood, 1878-1947. Metcalfe, H. Clark. Brooks, William O. Physics. QC23 .D9 1960 530 DUM Includes index. New York : Holt, 1960. 1960. 1960 Text x, 662 p. : eng The Holt science program