Harri Yli-Villamo
- Steel-concrete composite arch. Presented at: 14th IABSE Congress, New Delhi, India, 6-10 March 1992. (1992):
- A king-post truss applied to a wooden bridge in a new way. Presented at: IABSE Conference: Innovative Wooden Structures and Bridges, Lahti, Finnland, 29-31 August 2001. (2001):