TY - BOOK AU - Walling, D. E. AU - Probst, J. L. TI - Human impact on erosion and sedimentation: proceedings of an international symposium(symposium s6) held during the fifth scientific Assembly of the International Association of Hydrological Science(IAHS) at Rabat, Morocco SN - 0901502309 AV - QE 571 H85 1997 PY - 1997/// CY - Uk PB - International Association of Hydrological Science KW - Erosion KW - Sedimentation KW - Geology ER -