1. Auzet, A. V., J. Poesen, and C. Valentin, 2002: Soil patterns as a key controlling factor of soil erosion by water. Catena, 46, 85–87.
2. Basso, F., E. Bove, M. Del Prete, et al., 1996: The Agri Basin, Basilicata, Italy. Atlas of Mediterranean Environments in Europe: The Desertification Context. John Wiley and Sons, Inc., London, 144–149.
3. Burrough, P. A., and R. A. McDonnell, 1998: Principles of Geographic Information Systems. Oxford University Press, New York, 356 pp.
4. De Jong, S. M., and H. T. Riezebos, 1997: SEMMED: A distributed approach to soil erosion modelling. The 16th EARSel Symposium, Malta, 20–23 May 1996, 199–204.
5. European Soil Bureau Research Report;M. Grimm,2003