Ulrika Wiberg
- Ultrasonic testing of concrete. Presented at: IABSE Symposium: Durability of Structures = Durabilité des constructions = Dauerhaftigkeit von Bauwerken, Lisbon, Portugal, 6-8 September 1989. (1989):
- Checking concrete by quantitative ultrasonics. Presented at: IABSE Symposium: Extending the Lifespan of Structures, San Francisco, CA, USA, August 1995. (1995):