W. Alt, Bonn, Germany, C.J. van Duijn
D. Aronson, Minnesota, U.S.A., L.A. Peletier
J.B. Baillon, Lyon, France, Ph. Clément, G. Sweers
E. Beretta, Rome, Italy, J. Hulshof
F. Bernis, Madrid, Spain, L.A. Peletier
C.M. Brauner, Bordeaux, France, J. Hulshof
C. Budd, Bath, U.K., J. Hulshof, L.A. Peletier
B. Buffoni, Bath, U.K., J. Hulshof, L.A. Peletier
G. Caristi, Trieste, Italy, Ph. Clément, G. Sweers
A. Champneys, Bristol, U.K., J. Hulshof, L.A. Peletier
G. Derks, Surrey, U.K., B.W. v.d Fliert
J. Descloux, Lausanne, Switzerland, Ph. Clément, G. Sweers
D.G. De Figueiredo, Campinas, Brazil, Ph. Clément, G. Sweers
B. Franchi, Rome, Italy, L.A. Peletier
P. Freitas, Lisbon, Portugal, Ph. Clément, G. Sweers
R. van Genuchten, Zurich, Switzerland, C.J. van Duijn
H.-Ch. Grunau, Bayreuth, Germany, Ph. Clément, G. Sweers
B. Grundy, St. Andrews, Scotland, C.J. van Duijn
S Gupta, Bangalore, India, J. Hulshof, L.A. Peletier
S.P. Hastings, Pittsburgh, U.S.A., L.A. Peletier
D. Hilhorst, Orsay, France, C.J. van Duijn, L.A. Peletier
U. Hornung, Munich, Germany, C.J. van Duijn
J.R. King, Nottingham, U.K., J. Hulshof
P. Knabner, Erlangen, Germany, C.J. van Duijn
Ch. Le Merdy, Besançon, France, Ph. Clément, G. Sweers
G. Leoni, Perugia, Italy, Ph. Clément, G. Sweers
S. Londen, Helsinki, Finland, Ph. Clément, G. Sweers
R. Manásevich, Santiago, Chile, Ph. Clément, G. Sweers
J. McKenna, Connecticut, U.S.A., L.A. Peletier
Ch. Le Merdy, Besançon, France, Ph. Clément, G. Sweers
T. Meyers, Cranfield, U.K., B.W. v.d. Fliert
A. Mikelic, Lyon, France, C.J. van Duijn
K. Mischaikov, Atlanta, U.S.A., J. Hulshof, L.A. Peletier
E. Mitidieri, Trieste, Italy, Ph. Clément, G. Sweers
J. Philip, Canberra, Australia, C.J. van Duijn
S.I. Pohozaev, Moscow, Russia, J. Hulshof, L.A. Peletier
V. Radelescu, Craicova, Rumania, L.A. Peletier
C. Schmidt-Lainé, Lyon, France, J. Hulshof
S. Shishkov, Ukraine, J. Hulshof
Ch. Simader, Bayreuth, Germany, Ph. Clément, G. Sweers
M. Slemrod, Wisconsin, U.S.A., L.A. Peletier
N Stavrakakis, Crete, Greece, J. Hulshof, L.A. Peletier
C.A. Stuart, Lausanne, Switzerland, C.J. Duijn, L.A. Peletier
D. Terman, Ohio, U.S.A., L.A. Peletier
A. Tesei, Rome, Italy, J. Hulshof, L.A. Peletier
W.C. Troy, Pittsburgh, U.S.A., L.A. Peletier
P. Vuillermot, Nancy, France, Ph. Clément, G. Sweers
H. Zou, Alabama, U.S.A., L.A. Peletier