00831nam0-22002771i-450-99000637515040332119980601000637515FED01000637515(Aleph)000637515FED0100063751519980601d1972----km-y0itay50------ba--------00-yyECONOMIC GrowthFiftieth Anniversary Colloquium "Economic ResearcheRetrospectand Prospect.New York,LondonColumbia University Press ,1972XVII,, 92 p.24 cmGeneral seriesNational Bureau of Economic Research96330ITUNINARICAUNIMARCBK990006375150403321XV C 69 (96,5)94895FGBCFGBCEconomic growth60399UNINAGIU01