1. Abbott, Walter, - 1957 - Unusual phosphorus sources for plankton algae; Ecology, 38, (1), 152.
2. Allison, B. R. & Gieskes, J. M. T. M., - 1961 - An introduction to Limnology of Hartbeespoort Dam, with special reference to the effect of Industrial and Domestic pollution; Hydrobiologia, XVIII (1?2): 77?94.
3. Antony, Felicy, - 1962 - Plankton of a tropical impoundment, Bhavanisagar Reservoir (under publication).
4. A. P. H. A., - 1955 - Standard methods for the Examination of water, sewage & Industrial wastes, New York. 1?522; 10th Ed.,
5. Benoit, R. J., - 1955 - Relation of phosphorus content to algal bloom; Sewage & Ind. Wastes, 27, 1267?1269.