00823nam0-2200313---450-99000863824040332120090223101207.00-521-64974-9000863824FED01000863824(Aleph)000863824FED0100086382420080326d1999----km-y0itay50------baengGB--------001yyResource economicsJohn M. ConradCambridgeCambridge University Press1999X, 213 p.23 cmConrad,John M.430957ITUNINARICAUNIMARCBK99000863824040332162 339.5 CONDAGEAQ2-Q4.1498179DECTSDAGEADECTSResource economics713799UNINA