Factors affecting the level U.S. grain exports from the Great Lakes/St. Lawrence Seaway System /
by Peter W. Abe.

APA Citation

Abe, P. W. (1982). Factors affecting the level U.S. grain exports from the Great Lakes/St. Lawrence Seaway System. .

MLA Citation

Abe, Peter W. Factors Affecting the Level U.S. Grain Exports From the Great Lakes/St. Lawrence Seaway System. , 1982.

Warning: These citations may not always be complete (especially for serials).