01061nam a2200217Ia 4500 CTU_222117 210402s9999 xx 000 0 und d 388.068 B592 Bigham, Truman C. Transportation : Principles and problems Truman C. Bigham ; Merrill J. Roberts New York [etc.] McGraw-Hill Book Company 1946 In order to keep the length of the book within reasonable bounds, it has, of course, been necessary to limit the discussion a many points, but the author trusts that the analysis will prove adequate for all essential purposes. It has also been thought wise to utilize footnotes rather extensively. Perhaps the explanatory data therein and the continuity of thought facilitated thereby will compensate the reader for such inconvenience as may ocur... Transportation,Vận chuyển United States,Hoa Kỳ Nghi Trung tâm Học liệu Trường Đại học Cần Thơ