00917nam0-22003011i-450-99000750190040332120051103114120.0000750190FED01000750190(Aleph)000750190FED0100075019020030814d1951----km-y0itay50------baengUSWorld resources and industriesa functional appraisal of the availability of agricultural and industrial materialsby Erich W. ZimmermannNew ed.New YorkHarper1951XVI, 832 p., 12 c. di fot.26 cmIndustrieRisorseZimmermann,Erich Walter<1888-1961>314639ITUNINARICAUNIMARCBK990007501900403321C-04-122Ist.5280ILFGEILFGEWorld resources and industries676506UNINA