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041 _aENG
082 _a540
_bCH-S
100 _aChatwal,Gurdeep R
245 0 _aSpectroscopy : Atomic and molecular
250 _a1st . Ed.
260 _c1989
_aNew Delhi
_bHimalaya Publishing House
650 _aChemistry
942 _cBK
999 _c954
_d954