TY - GEN AU - Mohamed Soliman Abdelsattar Khater AU - Adel Saad Hassynin , AU - Azmy Mahmoud Elberry , AU - Mohamed Bakr Abdelghany , TI - Performance assessment of suburface drainage system using laser technology in african arid lands / PY - 1998/// CY - Cairo : PB - Mohamed Soliman Abdelsattar Khater , N1 - Thesis(M.Sc.) - Cairo University - Institute of African Research and Studies - Department of Natural Resources UR - http://172.23.153.220/th.pdf ER -