TY  - BOOK
AU  - Knowlton , A.A.
TI  - Physics for college students: an introduction to the study of the physical sciences
U1  - 530 21st ed.
PY  - 1935///
CY  - New York
PB  - McGraw-Hill
KW  - Physical sciences
KW  - Physics
N1  - Index: pp 613-23
ER  -