Burian, Tomas, Svemir Gorin, Ivan Radevski, and Vit Vozenilek. “A Novel Way to Present Flood Hazards Using 3D-Printing With Transparent Layers of Return Period Isolines”. DIE ERDE – Journal of the Geographical Society of Berlin 151, no. 1 (March 2, 2020): 16-22. Accessed March 28, 2020. https://www.die-erde.org/index.php/die-erde/article/view/417.