000			00303nam a22001337a 4500
008			170405b xxu||||| |||| 00| 0 eng d
020			_a0877663343
041			_aeng
080			_a574
100			_a9
101			_aSHM
245			_aNATURAL RESOURCES AND THE ENVIRONMENT _cPORTNEY, P.R
942			_2udc _cBK
999			_c9721 _d9721