01033nam0-22003491i-450 99000371725040332120230125092141.0000371725FED01000371725(Aleph)000371725FED0120030910d1965----km-y0itay50------baengUSy-------001yyTransportation economicsa conference of the Universities-National Bureau Committee for Economic ResearchPrima edizioneU.S.A.Columbia University Press1965465 p.24 cmNational Bureau of Economic Researchserie 1733823itaNational Bureau of Economic Research103307ITUNINARICAUNIMARCBK990003717250403321XV C 37(17)76845FGBCR01.50DECTSD1/334168DINTRFGBCDECTSDINTRTransportation economics500304UNINA