TY - Acta Geographica Sinica A1 - Qingbin GUO, Zhonghua ZHANG T1 - Spatial-temporal evolution of factors aggregating ability in urban agglomeration in the middle reaches of the Yangtze River Y1 - 2017-11-06 00:00:00.0 JF - Acta Geographica Sinica JO - Acta Geographica Sinica SP - 1746 EP - 1761 VL - 72 IS - 10 UR - {https://www.geog.com.cn/EN/10.11821/dlxb201710002} N1 - 10.11821/dlxb201710002 ER -