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基于GIS和DEA的特大城市空间紧凑度与城市效率分析
郭腾云, 董冠鹏
Study on the Relationships between Metropolitan Spatial Compact Ratios and Their Efficiencies in China in 1990 and 2000
GUO Tengyun, DONG Guanpeng
地球信息科学学报 . 2009, (4): 482 -490 .