History and timing of human impact on Lake Victoria, East Africa.
Dirk Verschuren, Thomas C Johnson, Hedy J Kling, David N Edgington, Peter R Leavitt, Erik T Brown, Michael R Talbot, and Robert E Hecky
Proc Biol Sci. 2002 February 7; 269(1488): 289–294. doi: 10.1098/rspb.2001.1850.PMCID: PMC1690894