TY  - BOOK
AU  - N. K. SEHGAL
TI  - MODERN PHYSICS
SN  - 81-8054-261-0
U1  - 539/SEH/MOD 
PY  - 1998///
CY  - NEWDELHI
PB  - SULTAN CHAND & SONS
KW  - MODERN PHYSICS
KW  - PHYSICS
ER  -