Monitoring and analysis of spatial pattern change of urban expansion in Beijing
YU Yongxin, CHEN Pinxiang, QIN Fei, LIU Bowen, HUANG Yingchun, HUANG Siman
Bulletin of Surveying and Mapping . 2020, (11): 132 -136 .  DOI: 10.13474/j.cnki.11-2246.2020.0371