00675nam a2200169   450000500170000000800040001702000150002104000090003605000210004524502680006626000650033430000190039944000140041865000360043270000190046870000180048720170720112558.0000  a0901502309  aUOEL  aQE 571bH85 1997  aHuman impact on erosion and sedimentationbproceedings of an international symposium(symposium s6) held during the fifth scientific Assembly of the International Association of Hydrological Science(IAHS) at Rabat, Moroccocedited by D. E. Walling and J. L. Probst  aUkbInternational Association of Hydrological Science,c1997  aviii, 311 p. :  aIAHSn245  2ErosionaSedimentationxGeology  aWalling, D. E.  aProbst, J. L.