000 nam a22 7a 4500
999 _c778
_d778
003 OSt
005 20180630121427.0
008 180630b xxu||||| |||| 00| 0 eng d
020 _a8170243661
082 _a574.1526
_bBHA
100 _aBhatt, S D
110 _aPande, Ravindra K
245 _aEcology of the mountain waters /
_cby D Bhatt and R K Pande.
260 _aNew Delhi :
_bAshish Publishing House ;
_c1991.
300 _axv ; 389 p.,
_c21 cm.
942 _2ddc
_cBK