Robert Halsall
- New building designs incorporating lessons from failures. Vorgetragen bei: IABSE Symposium: Durability of Structures = Durabilité des constructions = Dauerhaftigkeit von Bauwerken, Lisbon, Portugal, 6-8 September 1989. (1989):
- Learning from Canadian experience with concrete building structures. Vorgetragen bei: IABSE Symposium: Structures for the Future - The Search for Quality, Rio de Janeiro, Brazil, 25-27 August 1999. (1999):
- Considering Sustainability in the Selection of Structural Systems. Vorgetragen bei: IABSE Symposium: Towards a Better Built Environment - Innovation, Sustainability, Information Technology, Melbourne, Australia, 11-13 September 2002. (2002):