000 004700000a22001930004500
050 _a010
060 _a100
082 _a333.716 DUB
100 _aDubey, RK
_feditor
100 _aDubey, SK
100 _aKalas, Sharda VN
100 _aPanda, PK
100 _aSingh, AK
245 _aConservation of natural resources for aood and environmental security
260 _aDelhi, Satish serial publishing house
260 _c2012
300 _a509
942 _cBK
999 _c225635
_d225635