Gerald Giegerich
- Structural integrity of bridge Ulenbergstrasse in Düsseldorf. Presented at: IABSE Colloquium: Monitoring of Large Structures and Assessment of their Safety, Bergamo, Italy, 1987. (1987):
- Identification of structural properties using dynamic tests. Presented at: IABSE Symposium: Durability of Structures = Durabilité des constructions = Dauerhaftigkeit von Bauwerken, Lisbon, Portugal, 6-8 September 1989. (1989):