Hans Ingvarsson
- Strength and structural safety of concrete structures. Vorgetragen bei: IABSE Workshop: Quality Assurance within the Building Process = Assurance de la qualité dans le processus de la construction = Qualitätssicherung im Bauprozess, Rigi, Switzerland, 1983. (1983):
- Non-destructive condition assessment of concrete. Vorgetragen bei: IABSE Colloquium: Monitoring of Large Structures and Assessment of their Safety, Bergamo, Italy, 1987. (1987):