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Report from Hans Schwalm on a Meeting with Alfred Huhnhäuser and Forwarded Copy of Huhnhäuser's Proposal for a Norwegian Research Association, September 17, 1942
Cities of the Soviet Union: Studies in their functions, sizes, density, and growth: Harris, Ch. D.(1970): The Monograph Series of the Association of American Geographers, Vol. 5. XXVII+ 484 S., 96 Karten und Diagramme, 34 Tafeln, bibliographie. Chicago: Rand McNally. $9.95