Antti Helenius
- Design of sandwich panels against thermal loads. Vorgetragen bei: IABSE Symposium: Mixed Structures, including New Materials = Construction mixte acier, béton et nouveaux matériaux = Misch- und Verbundbauweisen einschliesslich neuer Baustoffe, Brussels, Belgium, 1990. (1990):
- Structural sandwich panels at low temperature. Vorgetragen bei: 13th IABSE Congress, Helsinki, Finland, 6-10 June 1988. (1988):