WASET
    Ali Mohammadi Torkashvand and  Hamid Reza Alipour,  Investigation of the Possibility to Prepare Supervised Classification Map of Gully Erosion by RS and GIS.   journal   = {International Journal of Geological and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    July 2009, vol. 31(7). 203 - 205
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/3500.