TY  - BOOK
AU  - Saxena, A K
TI  - Principles of modern physics
U1  - 539 S97P(4) 
PY  - 2014///
CY  - New Delhi
PB  - Narosa Publishing House
N1  - 4188 18/12/2021 HBD22/9114 27/12/2021 Main Budget
ER  -