A base study of the box and hopper car supply problem in the United States.
APA Citation
Upper Great Plains Transportation Institute. (1969). A base study of the box and hopper car supply problem in the United States. .
MLA Citation
Upper Great Plains Transportation Institute. A Base Study of the Box And Hopper Car Supply Problem In the United States. , 1969.
Warning: These citations may not always be complete (especially for serials).