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