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Limnology and Hydrology of Lakes Tanganyika and Malawi by Crul, R. C. M., UNESCO/IHP-... ISBN: 9789231034008 List Price: $24.00
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Current Status of Fisheries & Fish Stocks of the Four Largest African Reservoirs Kainji, Kar... by Crul, R. C., Roest, F. C. ISBN: 9789251036839 List Price: $17.00