000 00267nam a2200121Ia 4500
008 190216s9999||||xx |||||||||||||| ||und||
100 _aChatwal G R
245 0 _aSpectroscopy
260 _bS Chand & Co
_c1987
300 _a414p
650 _aSpectroscopy
942 _cBK
999 _c2641
_d2641