Studies in the economics of transportation /
Beckmann, Martin J.
Studies in the economics of transportation / introduction by Tjalling C. Koopmans - Estados Unidos : Cowles Commission, 1955 - 232 p. ; 23 cm.
Transporte
Automóviles ---Transporte
Ferrocarriles
HE 151 / B4 1955
Studies in the economics of transportation / introduction by Tjalling C. Koopmans - Estados Unidos : Cowles Commission, 1955 - 232 p. ; 23 cm.
Transporte
Automóviles ---Transporte
Ferrocarriles
HE 151 / B4 1955