1Kenney, M. and U. von Burg. Technology, Entrepreneurship and Path Dependence: Industrial Clustering in Silicon Valley and Route 128[J]. Industrial and Corporate Change, 1999, (8) : 67- 103.
2Lazerson M. H, and G I.orenzoni. The Firms that Feed Industrial Districts: a Return to the Italian Source[J]. Industrial and Corporate Change, 1999, (8) : 235- 266.
3Cristina Boari. Industrial Clusters, Focal Firms, and Economic Dynamism: A Perspective from Italy[R], Working Paper for World Bank Institute No. 24, 2001.