Tavoularis, N., Koumantakis, I., Rozos, D. and Koukis, G. 2015. An implementation of rock engineering system (RES) for ranking the instability potential of slopes in Greek territory. An application in Tsakona area (Peloponnese - prefecture of Arcadia). Bulletin of the Geological Society of Greece. 49, (Jan. 2015), 38–58. DOI:https://doi.org/10.12681/bgsg.11049.