000 00399nam a22001457a 4500
005 20160323130502.0
008 100810t xxu||||| |||| 00| 0 eng d
082 _a628.5
_bIYE
245 _aAdvances in environmental science
300 _a442p.
653 _aEnvironmental science
700 _aIyer, C. S. P.
_99043
942 _cBK
260 _aNew Delhi:
_bEducational book publishers,
_c1997.
999 _c158760
_d158760