000			00540cam a22001697a 4500
008			180718b2011 xxu||||| |||| 00| 0 eng d
020			_a9780321417534
082			_aO91 P422
100			_aPerman, Roger, Ma, Yue and Common, Michal
245			_aNatural resource and environmental economics _cby Roger Perman , Yue Ma , Michal Common et al.
250			_a4th
260			_aHarlow _bPearson _c2011
300			_a712p.
650			_aSustainable development
650			_aNatural resources -- Management
650			_aEnvironmental economics
999			_c444102 _d444102