000 00346nam a2200133Ia 4500
005 20260205054805.0
008 260111s9999||||xx |||||||||||||| ||und||
082 _a540.76 H129U
100 _aHalder , kangkan
245 0 _aUGC NET/SLET Chemical sciences
260 _aNew Delhi
_bDanika publishing house
_c2009
300 _a488p
942 _cBK
999 _c144324
_d144324