José María Neila y Neila
International Technical Scientific Meeting on Space (14th 1974 Rome, Italy)
Ivar Lo-Johansson
Ibon Sarasola
Ryszard Cheliński
Jürgen Wolff
Nils Erik Wickberg
Mo, Di
Gaëtan Picon
André Lamblin
Vicente Magdaleno
Muséum d'histoire naturelle de Rouen.
Guy Quaden
Emil Divila
Arne Dahl
Imréné Lovász
Roger Fouquer