【作者(必填)】Eric Marcon* and Florence Puech†

【文题(必填)】Measures of the geographic concentration of industries: improving distance-based methods

【年份(必填)】J Econ Geogr (2010) 10(5): 745-762  November 26, 2009

【全文链接或数据库名称(选填)】http://joeg.oxfordjournals.org/content/10/5/745.short