00937nam0-2200313---450 99000881304040332120190924102718.00-674-01989-X000881304FED01000881304(Aleph)000881304FED0100088130420090224d2002----km-y0itay50------baengUSa-------001yyAmerican agriculture in the twentieth centuryhow it flourished and what it costBruce L. GardnerCambridge, MassHarvad university press2002X, 388 p.ill.23 cmEconomia agraria33320itaGardner,Bruce L.89675ITUNINARICAUNIMARCBK99000881304040332160 333 GARB 200211749FAGBCFAGBCAmerican agriculture in the twentieth century806809UNINA