1. Auriol, L. (2007), “Labour market characteristics and international mobility of doctorate holders: results for seven countries”, OECD STI Working Paper No. 2007/2.
2. Borthwick, S., Murphy, T. (1998), “Supply and Demand for Scientists and Engineers”, Department of Employment, Education, Training and Youth Affairs (Canberra, Australia) Analytical Series No. 98/4.
3. Brown, K. M. (1993), “Report of the Ad Hoc Working Group on the Supply of Science, Engineering and Mathematics (SEM) Professionals”, Washington, DC: National Science Foundation. [http://www.nsf.gov/sbe/srs/fccset/start.htm].
4. Frascati Manual 2002 (2002). Proposed Standard Practice for Surveys on Research and Experimental Development. Paris: OECD.
5. Gabrielsson, N., Kalvet, T., Halme, K. (2007), “Innovation Staff Recruitment Programme Feasibility Study”, Innovation Studies 9/2007. Tallinn: Ministry of Economic Affairs and Communications of the Republics of Estonia.