TY  - BOOK
AU  - Gupta, S. L.
AU  - Kumar, V.
AU  - Sharma, R. C.
TI  - Elements of spectroscopy
U1  - 535.84 
PY  - 1980///
CY  - Meerut
PB  - Pragati prakashan
KW  - Physics
N1  - Includes index
ER  -