00713nam0-2200241 --450 991026534810332120180430094647.020180430d1950----km y0itay50 baengUSa 001yyEconomics of transportationMarvin L. Fair, Ernest W. Williams JrNew YorkHarper & brothers publishers1950XIII, 684 p.ill.25 cmFair,Marvin Luke749857Williams,Ernest W.<jr.>631876ITUNINAREICATUNIMARCBK9910265348103321D3/21633DINTRDINTREconomics of transportation1509242UNINA