3Bourdieu. The Forms of Capital, in J. G Richardson ( ed. ) Handbook of Theory and Research for the Sociology of Education [ M ]. NewYork : Greenwood Press, 1986:241 - 258.
6Nahapiet, Ghoshal. Social capital, intellectual capital and the organizational advantage [ J ]. Academy of Management Review, 1998(232) : 242 -266.
7Bouty I. Interpersonal and interaction influences on informal resource exchanges between R&D and Researcher across organizational boundaries [ J ]. Academy of Management Journal,2000 ( 1 ) :50 - 65.
8Granovetter, M. , The Strength of Weak Ties [ J ]. American Journal of Sociology, 1973 (78) : 1367.
9Granovetter, M. S. Economic action and social structure: The problem of embededness [ J]. American Journal of sociology, 1985 (91) :481 -510.
10Blau. P. M. Exchange and Power in social life [ M ]. Transaction Publishers, 1964 : 89 - 115.
