000 00522 a2200205 4500
001 145511
003 OSt
005 20211201165318.0
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020 _a9788122426175
082 _a628.50154
_bD34E
100 1 _aDe, A. K.
245 1 _aEnvironmental chemistry
_cby A. K. De
250 _a7th ed.
260 _aNew Delhi
_bNew Age International
_c2010, 2013
300 _a366p.
630 _aEnvironmental Science
690 _aEnvironmental chemistry
942 _2ddc
_cBK
999 _c23083
_d23083