【作者(必填)】[size=0.875]Katarzyna Kopczewska
[size=0.875]Paweł Churski
[size=0.875]Artur Ochojski
[size=0.875]Adam Polko


【文题(必填)】SPAG: Index of spatial agglomeration
【年份(必填)】Papers in Regional Science，Volume98, Issue6，December 2019，Pages 2391-2424
【全文链接或数据库名称(选填)】https://rsaiconnect.onlinelibrary.wiley.com/doi/10.1111/pirs.12470