Prof. N. Sadeghi, Grenoble (France)

Prof. H.F. Döbele, Essen (Germany)

Prof. D.C. Schram, Eindhoven (The Netherlands)

Prof. S. de Benedictis, Bari (Italy)

Prof. G. Hancock, Oxford (England)

Prof. B. Graham, Belfast (Northern Ireland)

Dr. Ch. Hollenstein, Lausanne (Switzerland)

Prof. G. Kroesen, Eindhoven (The Netherlands)