6HUGGINS, ROBERT, DEMIRBAG, MEHMET. Global knowledge and R&D FDI flows: recent patterns in asia pacific, europe, and north american[ J ]. Review of Applied Economics, 2007(21 ): 437-451.
7PEARCE, R. D. The Internationalization of R&D by multinational enterprises [ M ] . London: MeMillan, 1989.
8DUNNING, J.H. Multinational enterprises and the globalization of innovatory capacity E J ] ~ Research Policy, 1994(23):67-88.
9KUEMMERLE, W. Building effective R&D capabilities abroad [ J]. Harvard Business Review, 1997(3):61-70.
10SERAPIO, M. G. JR., DALTON, D. H. Globalization of industrial R&D: an examination of foreign direct investments in R&D in the United States [ J ] . Research Policy, 1999(28): 303-316.