Piotr Lewicki
- Lent - Tabor Bike- and Footbridge on the Drava in Maribor. Presented at: 4th International Conference Footbridge 2011, Wroclaw, Poland, 6-8 July 2011. (2011):
- Kazimierz-Ludwinów Bike- and Footbridge Over the River Vistula in Krakow. Presented at: 4th International Conference Footbridge 2011, Wroclaw, Poland, 6-8 July 2011. (2011):