TY - Acta Geographica Sinica A1 - WU Qiyan, CHEN Hao T1 - Urban Economic Effect Region Spatial Evolution: Taking Yunnan Province as an Example Y1 - 2007-12-25 00:00:00.0 JF - Acta Geographica Sinica JO - Acta Geographica Sinica SP - 1244 EP - 1252 VL - 62 IS - 12 UR - {https://www.geog.com.cn/EN/10.11821/xb200712001} N1 - 10.11821/xb200712001 ER -