TY  - BOOK
AU  - Gambhir,R S
AU  - Banerjee, D 
AU  - Durgapal, M C 
AU  - Lokanathan, S. 
TI  - Introductiry physics
U1  - 531.16 
PY  - 1978///
CY  - New Delhi
PB  - Tata mcgraw hill publishing
KW  - Physics
KW  - পদার্থবিদ্যা
N1  - V.2.-Waves,optics and heat
ER  -