Geo-spatial Cognition on Human's Social Activity Space Based on Multi-scale Grids
ZHAI Weixin, DUAN Jiexiong, TONG Xiaochong, CHENG Chengqi, SONG Shuhua, LI Shuang
Acta Geodaetica et Cartographica Sinica . 2016, (S1): 85 -89 .  DOI: 10.11947/j.AGCS.2016.F011