00648nam0-22002411i-450-990002654070403321000265407FED01000265407(Aleph)000265407FED0100026540720000920d1962----km-y0itay50------baENGEconomic and industrial efficiencyby Speig htLondraMacMillan1962Speight,H.103288ITUNINARICAUNIMARCBK9900026540704033210-9-111-TI1228ECAECAEconomic and industrial efficiency430535UNINAING01