TY  - BOOK
AU  - Subrahmanyam, N
AU  - Vasudeva, A.S. 
ED  - Brij Lal 
TI  - New Principles of Physics Part - I
SN  - 8121932319
U1  - 530  
PY  - 1969///
CY  - New Delhi 
PB  - S. Chand & Company Ltd. 
ER  -