Dividing economic space into urban agglomerations usingthe marginal K function:A case study of the Yangtze River Delta region
Ying GE, MIRON John, Yingxia PU, Huihui ZHAO, Yunting LI
Acta Geographica Sinica . 2015, (4): 528 -538 .  DOI: 10.11821/dlxb201504002