000 004350000a22001690004500
041 0 _aEn
650 1 0 _aMEDIO AMBIENTE
_9133840
650 1 4 _9159421
_aPOLITICA AMBIENTAL
650 1 4 _98
_aCONSERVACION DE LOS RECURSOS
593 _a06-03-2001
596 _aI
245 1 0 _aDISCUSSION PAPER CRM
260 _bResources for the Future
590 _b1616 P. Street, N.W.,
_cWashington, D.C.
_d20036
_gUSA
942 _cCR
999 _c130607
_d130607