5Porter M E. Cluster and the New Economics of Competition[J]. Harvard Business Review, 1998, (11).
6Asheim B. Regional Innovation Systems:the Integration of Local Sticky An Global Ubiquitous Knowledge[J].Journal of Technology Transfer, 2002,65, (27):77-86.
7Padmore T, Gibson H. Modelling Systems of Innovation:Ⅱ. A Framework for Industrial Cluster Analysis in Regions[J]. Research Poliey,1998,(26):625-641.