Fishes of the Cambodian Mekong / FAO species identification field guide for fishery purposes Rainboth, Walter J Food and Agriculture Organization of the United Nations Fishes Fishes Fisheries 597 FAO 1996 C146 Or. "Mekong River Commission; Food and Agriculture Organization of the United Nations; Danish International Development Assistance"--Cover Rome : Food and Agriculture Organization of the United Nations, / 1996 1996 Text xi, 265 p., xxvii p. of plates :