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HUMAN GEOGRAPHY  1999, Vol. 14 Issue (1): 27-31    DOI: 10.13959/j.issn.1003-2398.1999.01.006
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A POSITIVE RESEARCH ON THE FUNCTIONAL HIERARCHY OF URBAN AIR TRANSPORTATION AND THE FEATURES OF AIR TRANSPORTATION RELATIONSHIP IN CHINA
Guo Wenjiong, Bai Mingying
Department of Geography, Teacher's College of Shanxi University

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