共 33 条
[2]
Allen T. J., 1977, Managing the flow of technology: Technology transfer and the dissemination of technological information within the RD organization
[3]
[Anonymous], 2001, NBER PATENT CITATION
[6]
Cockburn IM, 1998, J IND ECON, V46, P157
[8]
DASGUPTA P, 1994, RES POLICY, V23, P487