The river Nile : geology, hydrology and utilization
1993
Said, R. |
Rivers
La rivière Allier
1990
Himalayan rivers, lakes and glaciers
1991
Negi, S. S. |
Lake St.Lucia and its peripheral sand catchment : the ecology implications of proposals to revive a condemned system
1971
Tinley, K. L. |
Jess report on water balance and sediment transport in the Juba river watershed
1987
Alford, Donald |
Endangered rivers and the conservation movement
1986
Palmer, Tim |