D. Goutallier, J.M. Postel, P. Leguilloux, L. Petitclerc
F. Gómez-Castresana Bachiller, J . Tena Arregui, F. Peña Gómez
P. P. Symeonides
S.A. Copeland, R. Emery
G.Walch, P. Boileau
D. Gazielly
A.G. Schneeberger, C . Gerber
L. Novè-Josserand, P. Boileau, G.Walch
F. W.J . Handelberg
A. Gilbert