Kotut, Kiplagat; Njuguna, Stephen G.,; Muthuri, Francis M.; Krienitz, Lothar. The physico-chemical conditions of Turkwel Gorge Reservoir, a new man made lake in Northern Kenya (англ.) // Limnologica — Ecology and Management of Inland Waters : journal. — 1999. — Vol. 29. — P. 377—392. — doi:10.1016/S0075-9511(99)80046-2.