Greboval, D. F. Fisheries characteristics of the shared lakes of the East African Ri ft / D. Greboval, M. Bellemans, M. Fryd. - Rome : FAO of the United Nations, 1994. - vi, 81 p. : ill. ; 30 cm. - CIFA technical paper 24 0379-5616 ; . Includes bibliography : p. 75-81. ISBN: 9251035725 Subjects--Topical Terms: Fisheries ----Africa, Eastern.----Fisheries ----Great Rift Valley.----