EFFECT OF TEMPERATURE ON GERMINATION OF RHIZOCLONIUM RIPARIUM (SIPHONOCLADALES, CHLOROPHYTA) AKINETES AND ZOOSPORES von Hall, Deborah J., Walmsley, Richard D.

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An investigation of a fertilizer-tap water medium for mass algal production in outdoor plastic-enclosed systems von Geldenhuys, D. J., Walmsley, R. D., Toerien, D. F.

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Quality of algal material produced on a fertilizer-tap water medium in outdoor plastic-enclosed systems von Geldenhuys, D.J., Walmsley, R.D., Toerien, D.F.

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Laboratory studies on the suitability of a fertilizer-tap water medium for mass culture of algae von Geldenhuys, D. J., Walmsley, R. D., Toerien, D. F.

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Perspectives in Southern Hemisphere limnology: Introduction von Davies, B. R., Walmsley, R. D.

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Applicability of phosphorus budget models to southern African man-made lakes von Thorton, J.A, Walmsley, R.D

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The role of multidisciplinary research programmes in the management of water resources von Walmsley, R.D.

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Electricity in the service of man a popular and practical treatise on the applications of electricity to modern life / by R. Mullineux Walmsley von Walmsley, R. Mullineux d. 1924

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Deployment of research and educational expertise within the environmental sciences von Walmsley, J J, Walmsley, R D

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An overview of water for environmental management von Walmsley, R.D. & BR Davies, B.R.

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The chemical composition of the waters flowing into Roodeplaat Dam von Walmsley, R. D. & Toerien, D. F.

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Katagnymene mucigera, a New Planktonic Blue-Green Alga from South Africa von Compère, P., Komárek, J., Walmsley, R. D., Barlow, D. J.

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The dissolved mineral composition of the water flowing into and out of the Hartbeespoort Dam von Toerien, D. F. & Walmsley, R. D.

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Light penetration and the interrelationships between optical parameters in a turbid subtropical impoundment von Walmsley, R. D., Butty, M., van der Piepen, H., Grobler, D.

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A model to predict water temperature in plastic-covered outdoor mass algal culture systems von de Jager, J.M., Walmsley, R.D.

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The chemical composition of the upper Hennops river and its implications on the water quality of Rietvlei dam von Toerien, D F, Walmsley, R D

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Algal growth potential and the succession of algae in a nitrogen limited impoundment von Walmsley, R.D, Ashton, P.J

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he chemical composition of the upper Hennops River and its implications on the water quality of Rietvlei Dam von Toerien, D. F. & walmsley, R. D.

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A paradigm shift is required for environmental research in South Africa von Walmsley, R.D.&Walmsley, J.J.

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Some flaws in postgraduate training for the environmental sciences von Walmsley, J. and Walmsley, R.D.

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