Actes - Séminaire Ferroviaire International AICCF/SZ, Ljubljana, 27 - 29 Mai 2004
Airport electric 84 : report on a seminar held at Gatwick Airport, September 1984
Battery Material Symposium, vol. 1, Brussels, 1983, [Sept. 15 and 16]
Coronal holes and high speed wind streams
IBMA 40th convention : October 12 - 14, 1977, Chicago, Illinois
IBMA 41st convention : October 18 - 20, 1978, Chicago, Illinois