1. Institute of Economics (KTI), Hungarian Academy of Sciences, Budaörsi út 45, H-1112 Budapest, Hungary. Fax: +36 1 185 1120; .
2. (WF): Science Studies Unit, Department of Sociology, University of Edinburgh, 21 Buccleuch Place, Edinburgh EH8 9LN, Scotland, UK. Fax: +44 131 650 6886; .
3. (US): MPI für Gesellschaftsforschung, Lothringer Strasse 78, Köln 50677, Germany. Fax: +49 221 33 60555;