Józsa E., Fábián, Sz., Varga, G., & Varga, T. (2014). Peculiarities of topography modeling of flat surfaces separated by steep slopes on the example of high Danube banks. Modern Geográfia, 9(2), 1–20.
The high bluffs along Danube with frequent steep slopes imply challenge during digital surface mod- elling. Free GIS software distributed under GPL offer several solutions to interpolate in raster from contours, but problems can be managed at different levels. Collecting