000 00510nam a22001817a 4500
999 _c1342
_d1342
003 OSt
005 20210611135939.0
008 120919b xxu||||| |||| 00| 0 eng d
020 _a8127203513
040 _cKrishna
082 _a333.7 SRI
100 _aSrivastava, K. P.
245 _aAn introduction to environmental study /
_cK.P. Srivastava.
260 _aNew Delhi :
_bKalyani Publishers,
_c2003.
300 _axxii, 375 p. :
_bill. ;
_c24 cm.
504 _aIncludes glossary and index.
942 _2ddc
_cBK