TY  - BOOK
AU  - Subrahmanyam,N.
AU  - Lal, Brij. 
TI  - Principles of physics / 
SN  - 812190885X
U1  - 530 23
PY  - 1969///.
CY  - New Delhi : 
PB  - S. Chand & Company, 
KW  - Laws of MOtion.
KW  - Gravity and Gravitation.
KW  - Transmission of Heat.
ER  -