3Claus steinele and Holgersehiele:When do in industries cluster.'?-a proposal on how to asses an industry' s propensity to concentrate at s single region or nation[J].Research policy,2002:31. 被引量：1
4Michael E.Porter.Clusters and the New Economies of Competition[J].Harvard Business Review,NowDee,1998. 被引量：1
