000 00355nam a2200145Ia 4500
008 230118s9999||||xx |||||||||||||| ||und||
020 _a81-7225-124-6
082 _a540.157
082 _bKOT/P
100 _aDR.H.
_bKOTHANDARMAN
245 0 _aPRINCIPLES OF ENVIORMENTAL CHEMISTRY
260 _adelhi
260 _bb.i publications pvt ltd
260 _c1997
999 _c7146
_d7146