TY  - BOOK
AU  -  K.L. Chopa, N.K. Sehgal
AU  - Sehgal, D.L.
TI  - Modern Physics
U1  - 539 
PY  - 1991///
CY  - New Delhi
PB  - Sultan Chand and Sons
KW  - Physics
KW  - Modern Physics
ER  -