Φουμέλης Μ., and Βασιλάκης Εμμ. 2018. “DEVIATION BETWEEN HILL SLOPE ESTIMATION METHODS AND THE ROLE OF DEM SPATIAL RESOLUTION. COMPARATIVE STUDY IN A GIS ENVIRONMENT”. Bulletin of the Geological Society of Greece 36 (2):894-903. https://doi.org/10.12681/bgsg.16839.