Félix-André, A.
[Author];
Billen, Claire
[Author];
Cockshaw, Pierre
[Author];
Delaet, Jean-Louis
[Author];
Despy, Georges
[Author];
Devroey, Jean-Pierre
[Author];
Duvosquel, Jean-Marie
[Author];
Galland, M.
[Author];
Gotovitch, José
[Author];
Graffart, A.
[Author];
Gubin, Eliane
[Author];
Heirwegh, Jean-Jacques
[Author];
Hoebanx, Jean-Jacques
[Author];
Kurgan-Van Hentenryk, Ginette
[Author];
Laret-Kayser, Arlette
[Author];
Lefèvre, P.
[Author];
Morsa, Denis
[Author];
Puissant, Jean
[Author];
Somerhausen, Chr.
[Author];
Uyttebrouck, André
[Author];
Wellens, Robert
[Author];
Wellens-De Donder, Liliane
[Author]