Brauer, Max; Vicente, Rafael J; Buruaga, Jaime S; Méndez, Rubén B; Braun, Ralf-Peter; Geitz, Marc; Rydlichkowski, Piotr; Brunner, Hans H; Fung, Fred; Peev, Momtchil; Pastor, Antonio; Lopez, Diego R; Martin, Vicente; Brito, Juan P