1. Putting patents in context: exploring knowledge transfer from MIT;Agrawal;Management Science,2002
2. Allison, P., 2002. Fixed effects models for categorical response variables. Working Paper. University of Pennsylvania, Philadelphia, PA.
3. Company–scientist locational links: the case of biotechnology;Audretsch;American Economic Review,1996
4. Relations between academic institutions and industry in the life sciences—an industry survey;Blumenthal;New England Journal of Medicine,1996
5. Burt, R.S., 1992. Structural Holes: The Social Structure of Competition. Harvard University Press, Cambridge, MA.