CSA ... Third Symposium on Hydrobiology and Inland Fisheries Problems of Major Lakes. Troisieme Colloque sur l'Hydrobiologie et les Peches en Eaux Douces Problemes des Grands Lacs. Lusaka, 18-24 VIII 1960.
Commission for Technical Co-operation in Africa South of the Sahara.
Louvain, 
[1962]