TY - Acta Geographica Sinica A1 - WANG De,GU Jiahuan,YAN Longxu T1 - Delimiting the Shanghai metropolitan area using mobile phone data Y1 - 2018-10-25 00:00:00.0 JF - Acta Geographica Sinica JO - Acta Geographica Sinica SP - 1896 EP - 1909 VL - 73 IS - 10 UR - {https://www.geog.com.cn/EN/10.11821/dlxb201810006} N1 - 10.11821/dlxb201810006 ER -