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American Commodity Flow : a geographical interpretation of rail and water traffic ; based on principles of spatial interchange
Ullman, Edward Louis, (1957)
Annotated world list of selected current geographical serials in english, french, and german : including serials in other languages with supplementary use of English or other international languages
Harris, Chauncy D., (1971)
Geographical studies on the Soviet Union : essays in honor of Chauncy D. Harris
Demko, George J., (1984)