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2. The Diatoms of the Sundays and Great Fish Rivers in the Eastern Cape Province of South Africa;Archibald,1983
3. Rapid bioassessment protocols for use in streams and wadeable rivers: algal, benthic macroinvertebrates and fish;Barbour,1999
4. Diatoms as indicators of water quality in South African river systems;Bate,2002
5. A water quality index for use with diatoms in the assessment of rivers;Bate;Water SA,2004