00700nam0-22002531i-450-990003937130403321000393713FED01000393713(Aleph)000393713FED0100039371320030109d1977----km-y0itay50------baengUSNature's EconomyA history of ecological ideasDonald WorsterCamdridgeCambridge University Press1977405 pg.23 cmWorster,Donald128206ITUNINARICAUNIMARCBK990003937130403321B1-B3.281388DECTSDECTSNature's Economy511290UNINA