TY - PROGRESS IN GEOGRAPHY A1 - XU Di, ZHU Xigang, LI Wei T1 - A Review of the Urban Social Structure and Its Development in Western Countries Y1 - 2009-01-24 00:00:00.0 JF - PROGRESS IN GEOGRAPHY JO - PROGRESS IN GEOGRAPHY SP - 93 EP - 102 VL - 28 IS - 1 UR - {https://www.progressingeography.com/EN/10.11820/dlkxjz.2009.01.013} N1 - 10.11820/dlkxjz.2009.01.013 ER -