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Bibliography

Donner, Josef. 1966. Rotifers. London and New York (NY): Frederick Warne & Co. Ltd. 80 p.

Patterson D.J. 1996. Free-Living Freshwater Protozoa. London. Manson Publishing Ltd. 223 p.

Prescott, G.W. 1964. The Freshwater Algae. Dubuque, Iowa. WM.C. Brown Company Publishers. 272 p.