1. Principles of Geographical Information Systems;Burrough,1998
2. Cai, C.F., 1998. Prediction of nutrients loss caused by soil erosion and assessment of fertility with GIS at small watershed level. PhD thesis. Huazhong Agricultural University (In Chinese), China.
3. GIS-based simulation of erosion and deposition patterns in agricultural landscape: a comparison of model results with soil map information;Desmet;Catena,1995
4. A GIS-procedure for the automated calculation of the USLE LS-factor on topographically complex landscape units;Desmet;Journal of Soil and Water Conservation,1996
5. Comparison of routing algorithms for digital elevation models and their implications for predicting ephemeral gullies;Desmet;International Journal of Geographic Information Systems,1996