TY  - BOOK
AU  - Nigam, S.S.
AU  - V.K. Saxena
TI  - Spectroscopy
U1  - 535.84 
PY  - 1981///
CY  - Poona
PB  - Dastane Ramchandra and Co.
KW  - Physics
KW  - Spectroscopy
ER  -