000 00287nam a22001337a 4500
999 _c258
_d258
020 _a9788122419467
082 _a577.14
100 _aA.K De & Arnab Kumar De
245 _aEnvironmental Chemistry
250 _a6th
260 _aNew Delhi
_bNew Age
_c2008
300 _a339
942 _cBK
_02