TY  - BOOK
AU  - TYAGI (O D) & YADAV (M).
TI  - Text book of spectroscopy
SN  - 81 7041350 8
U1  - 535.84 TYAT 
PY  - 1992///
CY  - N D
PB  - Anmol Publications
KW  - Spectroscopy
ER  -