Remote sensing and GIS analysis for mapping spatio-temporal changes of erosion and deposition of two Mediterranean river deltas: The case of the Axios and Aliakmonas rivers, Greece. - George P. Petropoulos; Dionissios P. Kalivas; Hywel M. Griffiths; Paraskevi P. Dimou (Int. J. Appl. Earth Obs. Geoinformation, 2015)