Leonidopoulou D, Vassilopoulos A, Evelpidou N. GIS tools for erosion studies-Development of erosion risk index map. Case study: Tinos Island, Cyclades, Greece. In: Evelpidou N, de Figueiredo T Soil Protection in Sloping Mediterranean Agri-Environments, Lectures and Exercises. Instituto Politecnico de Braganca; 2009. pp. 67-72.