4Rothwell, R. Successful lindustrial Iinnovation: Critical Factors for the 1990's [ J ]. R&D Management, 1992 , Vol. 22:221-239.
5Galunic, D. C. &Rodan, S. Resource Recombinations in the Firm: Knowledge Structures and the Potential for Shumpeterian Innovation[J]. International Journal of Innovation Management, 1998,Vol. 22:45-58.