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040 _cPOF
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082 _222
_a628.5
_bHUS
100 _aEngg Col Mumtaz Hussain
245 _aEnvironmental degradation
245 _b Realities and remendies
260 _bFerozson Pvt Ltd
260 _bRawalpindi
260 _c1998
300 _a409p
_bpb
440 _aEnvironmental degradation
546 _aEn
600 _aHydrauilic Engineering
942 _cBK
_2ddc