Bibliography

Patterson, D.J. 2003. Free-Living Freshwater Protozoa: a color guide. 2nd ed. ASM Press. 223 pages.

Rainis, K.G. and Russell, B.J. 1996. A Guide to Microlife. Frank Watts. 287 pages.

Forest, H.S. 1954. Handbook of Algae. Knoxville: University of Tennessee Press. 467 pages.

Canter-Lund, H. 1995. Freshwater Algae: their microscopic world explored. Illustrated edition. Bio press Limited. 360 pages.