000 00307nam a22001337a 4500
003 GCL
005 20130731114504.0
008 130731b xxu||||| |||| 00| 0 eng d
040 _aGURUDAS COLLEGE LIBRARY
082 _a333.7
_bENV
100 _aBasu, R.N.
245 _aEnvironment
_cR.N. Basu
942 _cBOOK
999 _c11063
_d11063