00835nam0-22003251i-450-990003257140403321200010100-7131-5734-8000325714FED01000325714(Aleph)000325714FED0100032571420000920d1974----km-y0itay50------baitay-------001yy<<The >>ECOLOGY OF NATURAL RESOURCES1LondonEdward Arnold1974pp.424Risorse , Geografia Economica050.011Simmons,I. G.129700ITUNINARICAUNIMARCBK990003257140403321050.011.SIM1553DECGEDECGEEcology of natural resources299645UNINAING01