D. Pfaff (EDT)/ C. Kordon (EDT)/ P. Chanson (EDT)/ Y. Christen (EDT)
(1)
Donald Pfaff (EDT)/ Yves Christen (EDT)
(1)
Donald W. Pfaff (EDT)/ Yves Christen (EDT)
(1)
Jean-Pierre Bourguignon (EDT)/ Bernard Jegou (EDT)/ Bernard Kerdelhue (EDT)/ Jorma Toppari (EDT)/ Yves Christen (EDT)
(1)
Jean-Pierre Bourguignon (EDT)/ Jean-Claude Carel (EDT)/ Yves Christen (EDT)
(1)
Jonathan R. Seckl (EDT)/ Yves Christen (EDT)
(1)
M. Conn (EDT)/ C. Kordon (EDT)/ Y. Christen (EDT)
(1)
P. Chanson (EDT)/ Jacques Epelbaum (EDT)/ S. W. J. Lamberts (EDT)
(1)
Paolo Sassone-corsi (EDT)/ Yves Christen (EDT)
(1)