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Management and conservation of the African Great Lakes : Lakes Victoria, Tanganyika and Malawi | Bok | 502.4:627.17(676) C Crul, Ruud C.M. / - Paris : UNESCO Pub., 1998. - 107 s. (Studies and reports in hydrology : 59) - Språk: Engelsk | Crul, Ruud C.M. | 1998 |