000 nam a22 7a 4500
999 _c1223
_d1223
003 OSt
005 20180714095226.0
008 180714b xxu||||| |||| 00| 0 eng d
020 _a09700420
082 _a333.707
_bKAL
100 _aKalyani
245 _aEnvironment and Ecology /
_cby Kalyani.
260 _aBengal :
_bKalyani ;
300 _aVol.,
_c23 cm.
942 _2ddc
_cBK