TY  - BOOK
AU  - Gupta, S.L.
TI  - Concepts of modern physics
U1  - 539 
PY  - 1983///
CY  - Delhi
PB  - Dhanpat Rai & sons
KW  - Electricity
KW  - Modern physic
KW  - Physics
KW  - Quantum mechanics
ER  -