EN中文
Three-dimensional Urban Gravity Center Calculation Method and Empirical Research: A Case Study of Nanjing
QIAO Weifeng,LIU Yansui,WANG Yahua,XIANG Lingzhi
Journal of Geo-information Science . 2015, (3): 268 -273 .  DOI: 10.3724/SP.J.1047.2015.00268