F. Alfonso, G. Ambrosio, Fausto J. Pinto, Ernst E van der Wall, A. Kondili, D. Nibouche, Karlen Adamyan, Kurt Huber, H. Ector, Izet Masic, R. Tarnovska, M. Ivanuša, Vladimír Stanĕk, Jørgen Videbaek, Mohamed Hamed, Alexandras Laucevicius, Pirjo Mustonen, J. Artigou, Ariel Cohen, M. Rogava, Michael Böhm, Eckart Fleck, Gerd Heusch, Rainer Klawki, P. Vardas, C. Stefanadis, József Tenczer, Massimo Chiariello, Joseph Elias, H. Benjelloun, O. Ro̸devand, P. Kułakowski, E. Apetrei, V. Lusov, R. G. Oganov, Velibor Obradovic, G. Kamenský, M. Kenda, Christer Höglund, T. F. Lüscher, René Lerch, Moufid Jokhadar, H. Haouala, V. Sansoy, Valentin A. Shumakov, A. Timmis