TY  - BOOK
AU  - Gambhir, R S                   
AU  - Banerjee, D
AU  - Durgapal, M C
TI  - Introductory physics, vol.2
PY  - 1973///
CY  - New Delhi
PB  - Tata Mc Graw - Hill 
KW  - Physics
KW  - Optics
KW  - Sound
N1  - The book deals with optics, waves and heat
ER  -