00975nam0-22002771i-450-990003210770403321000321077FED01000321077(Aleph)000321077FED0100032107720000920d1956----km-y0itay50------baengITStudies in the economics of transportationby Martin Beckmann, C.B. McGuire, Christopher B. WinstenWith an introduction by Tjalling C. Koopmans.New HavenCowles Commission for Research in Economics by Yale University Press1956.232 p.ill.24 cmBeckmann,Martin Joseph<1924- >104304McGuire,Charles Bartlett374975Winsten,Christopher B.128331ITUNINARICAUNIMARCBK990003210770403321H/3.1 BEC036754SESSESStudies in the economics of transportation454155UNINA