Internetové zdroje:

1. Rensselaer of Economics, Departement of Economics, Faculty, Staff and Students (2003): John Gowdy http://www.rpi.edu/dept/economics/www/faculty/jgowdy.html.
2. SIPA (School of International and Public Affaires), Columbia University (2003): Richard R. Nelson, http://www.columbia.edu/cu/sipa/RESEARCH/.
3. University Utrecht, Section of Economic Geography (2003): Economic Evolution in Space; towards an evolutionary economic geography, Economic Evolution in Space: Towards an Evolutionary Economic Geography, An International Seminar, October 24, 2003, Utrecht, the Netherlands http://econ.geog.uu.nl/workshop2003/workshop.html .
4. Wharton, University of Pennsylvania (2003), Faculty and Research: Sidney G. Winter, http://www.wharton.upenn.edu/faculty/winters.html.