Schoeman, F.R. (1973). A systematical and ecological study of the diatom flora of Lesotho with special reference to the water quality. V & R Printers, Pretoria, 355 pp., 10 pls., maps
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Schoeman, F.R.
1973
A systematical and ecological study of the diatom flora of Lesotho with special reference to the water quality