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PROGRESS IN GEOGRAPHY >

2009 , Vol. 28 >Issue 5: 481 - 489

DOI: https://doi.org/10.11820/dlkxjz.2009.05.001

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Online published: 2009-09-30

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CHEN Yan Guang, LUO Jing . [J]. PROGRESS IN GEOGRAPHY, 2009 , 28(5) : 481 -489 . DOI: 10.11820/dlkxjz.2009.05.001

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