M. Vandewalle
- The use of steel fiber reinforced shotcrete for tunnel lining. Vorgetragen bei: AFTES - Journées techniques, Lille, 1990. (1990):
- The use of steel fiber reinforced shortcrete for tunnel lining. Vorgetragen bei: Franchissements souterrains pour l'Europe. Underground crossings for Europe, Lille 16-18.10.1990. (1990):