00498nam a2200109Ia 450000500170000000800410001705000180005810000190007624501910009526000420028665000600032820251229182751.0251229s9999    xx            000 0 und d  aTC 978  .A3R4  aOkidi,C  O(ed) 0aReflections on management of drainage basins in Africab proceedings of workshop on development  and the enviroment in the management of international drainage basins in Africaced Okidi  aNairobib University of Nairobic1988  aWatershed Management - Africa,Sub- Saharan - Congresses