000 00281nam a2200133 4500
020 _a9788122426175
082 _a577.14
100 _aDE A.K
245 _aENVIRONMENTAL CHEMISTRY
250 _a7TH
260 _aNEW DELHI
_bNEW AGE
_c2010
300 _aXVII, 366 P
942 _cBK
999 _c7783
_d7783