Economics of transportation
Locklin, David Philip, 1897-
Economics of transportation by D. Philip Locklin. - Homewood, Ill., R. D. Irwin, 1966. - xii, 882 p. illus., maps. 24 cm.
Transportation-U, S.
Railroads-U. S.
338.473805
Economics of transportation by D. Philip Locklin. - Homewood, Ill., R. D. Irwin, 1966. - xii, 882 p. illus., maps. 24 cm.
Transportation-U, S.
Railroads-U. S.
338.473805