000 00588nam a22002057a 4500
999 _c41185
_d41185
003 FRI
005 20191129101201.0
008 191129b ||||| |||| 00| 0 eng d
082 _221st ed
_a577
_bAGR/E,2
100 _aAgrawal l, K.C.
245 _aEnvironmental biology
_cby K.C. Agrawal
260 _aBikaner :
_bAgro-Botanica,
_c1999
300 _a584p.
653 _aEcosystem
653 _aEnvironment -Biology
653 _aNatural resources
653 _aAgriculture and fisheries
653 _aNational parks, wildlife sanctuaries and biosphere reserves
942 _2ddc
_cEN