000 00276nam a2200121Ia 4500
008 230118s9999||||xx |||||||||||||| ||und||
082 _a539
082 _bGUP/E
100 _aDR.S.L
_bGUPTA
245 0 _aELEMENTS OF SPECTOSCOPY
260 _aMEERUT
260 _bPRAGATHI PRAKASHAN
999 _c5293
_d5293