Hängesteg Sagorsko

1. Ivanov, Stoyan / Georgiev, Lazar (2023): Footbridges Over Varbitza River. Vorgetragen bei: IABSE Symposium: Long Span Bridges, Istanbul, Turkey, 26-28 April 2023, S. 944-951.

   https://doi.org/10.2749/istanbul.2023.0944

2. Ivanov, Stoyan / Georgiev, Lazar (2022): Footbridges over Varbitza River – the only Link Between Remote Villages and the Railway. Vorgetragen bei: Footbridge 2022: Creating Experience, Madrid, Spain, 07-09 September 2022.

   https://doi.org/10.24904/footbridge2022.252