4SMITH O J,POWELL W W.Knowledge networks as channels and conduits:the effects of spillovers in Boston biotechnology community[J].Organization Science,2003,21(13):54-74.
5COOKE P.Regional innovation systems:competitive regulation in the new Europe[J].Geo-Forum,1992,23(3):365-382.
6COOKE P.The new wave of regional innovation networks:analysis,characteristics and Strategy[J].Small Business Economics,1996,8(2):159-171.
7ASHEIM B T,ISAKEN A.Reginoal innovation systems:the integration of local"sticky"and global ubiquitous knowledge[J].Journal of Technology Transfer,2002,27(3):77-86.
8SCHILLING M A,PHELPS C C.Interfirm collaboration networks:the impact of large-scale network structure on firm innovation[J].Management Science,2007,53(7):1113-1126.
9LUNDVALL B A,CHRISTENSEN J L.Product Innovation,Interactive Learning and Economic Performance[M].Emerald Group Publishing,2004:87-89.
10BARABASI A L,R ALBERT,JEONG H.Mean-field theory for scale-free random network[J].Adv.Phys.,2007(12):173-189.
