5Gregory Tassey.The Economics of R&D Policy[]..1997
6Michael Luger,Ivwin Feller,CatherineRenault.Evaluation of Maine’’s Public Investment in Research&Development[]..2001
二级参考文献33
1[1]Vittorio Chiesa. The externalization of R&D activities and the growing market of product development services.R&D Management 2004,34,1: 66.
2[3]Michael I. Luger, Irwin Feller, Catherine S. Renault. Evaluation of Maine's Public Investment in Research & Development. Office of Economics DevelopmentUniversity of North Carolina at Chapel Hill, October 2001.
4[5]yet2.com and R&D industry leders define first standard for marketing licensable technology on the internet.http:∥yet2. com/app/about/press? page = press24. 2004 - 04.
