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Die Städte Ungarns im Wandel von der agrarischen zur industriellen Gesellschaft
Klocke, Helmut, (1969)
Criterii de determinare a localitǎţilor semiurbane
Adumitrǎcesei, I., (1972)
Distortions in settlement of India
Alam, S. Manzoor, (1980)
An application of topology in central place analysis
Medvedkov, Yu. V., (1968)
Applications of mathematics to population geography
Medvedkov, Yu. V., (1967)
Applications of mathematics to some problems in economic geography
Medvedkov, Yu. V., (1964)