000 00335nam a2200133 a 4500
005 20260717091943.0
008 260717s2004 ii 000 0 eng d
041 _aeng
100 1 _aPurohit, S. S.
245 1 2 _aA Text Book of Environmental Science /
_cPurohit, S. S.
264 1 _bStudent's,
_c2004.
300 _a397 p.
942 _cBK
999 _c43907
_d43907