van der Knaap, Martin (1994) Status of fish stocks and fisheries of thirteen medium-sized African reservoirs CIFA technical paper #26, Committee for Inland Fisheries of Africa (CIFA), Food and Agriculture Organization of the United Nations (FAO), Rome, page 11, (ISBN92-5-103581-4) citing Vanden Bossche, J. P. and Bernacsek, G. M. (1990) Source book for the inland fishery resources of Africa: vol. 1 CIFA technuical paper #18.1, Committee for Inland Fisheries of Africa (CIFA), Food and Agriculture Organization of the United Nations (FAO), Rome, (ISBN92-5-102983-0)
hydrosciences.fr
Le bassin de la rivière Sanaga P. Dubreuil J. Guiscafre
J.-F. Nouvelot J.-C. Olivry paris 1975 (ISBN2-7099-0361-X) [1]