1. Giuseppe Arbia. The role of spatial effects in the empirical analysis of regional concentration[J]. Journal of Geographical Systems, 2001,3(3) .
2.Barclay G. Jones,Solomane Koné. An exploration of relationships between urbanization and per capita income: United States and countries of the world[J]. Papers in Regional Science, 1996,75(2) .
3. Vernon Henderson. The Urbanization Process and Economic Growth: The So-What Question[J]. Journal of Economic Growth, 2003,8(1) .
4. Ying Ge;Ying-xia Pu;Shi-mou Yao. Measurement of agglomeration economies at County level in Jiangsu Province [J]. Chinese Geographical Science,2005.1
大家帮忙找下这几篇文章哈,外文文献有急用,谢谢大家了