中国人口分布的密度分级与重心曲线特征分析
葛美玲, 封志明
Population Distribution of China Based on GIS: Classification of Population Densities and Curve of Population Gravity Centers
GE Mei-ling, FENG Zhi-ming
地理学报 . 2009, (2): 202 -210 .  DOI: 10.11821/xb200902007