Alemany, A. France

Al-Radi, M. France

Aogaki, R. Japan

Blums, E. Latvia

Bouabdallah, A. Algeria

Buligins, L. Latvia

Cagnoud, A. France

Carcangiu, S. Italy

Cebers, A. Latvia

Chopart, J.P. France

Cuevas, S. Mexico

Daltin, A.L. France

Daviaud, F. France

Freibergs, J. Latvia

Frick, P. Russia

Gailitis, A. Latvia

Gerbeth, G. Germany

Kharicha A. Austria

Latgé, C. France

Martemianov, S. France

Mikhailovich, B. Israel

Mistrangelo, C. Germany

Mogi, I. Japan

Molokov, S. Germany

Mond, M. Israel

Montisci, A. Italy

Mutschke, G. Germany

Odenbach, S. Germany

Roux, J.P. France

Sellier, A. France

Skorvanek, I. Slovakia

Sviridov V.G. Russia

Uhlemann, M. Germany

Zabinski, P. Poland