A User Friendly GIS Model for the Estimation of Erosion Risk In Agricultural Land Using the USLE. - Anastasia-Maria Sotiropoulou; Thomas K. Alexandridis; George Bilas; Nikolaos Karapetsas; Aggeliki Tzellou; Nikolaos G. Silleos; Nikolaos Misopolinos (HAICTA, 2011)