AU  - Gambhir,R.S..
TI  - Introductory Physics Vol.II Waves,Optics and Heat / 
U1  - 530 
PY  - 1972///
CY  - N.Delhi-110015
PB  - Tata McGraw-Hill Publishing Co.Ltd. , 
KW  - Physics
N1  - NULL
ER  -