1. Baker , K. Kromer 1977 Taxonomy and ecology of Aphanizomenon Ph.D. Thesis University of Minnesota 198
2. Ecology and taxonomy of five natural populations of the genus Aphanizomenon Morren (Cyanophyceae);Baker;Arch. Hydrobiol.,1981
3. Borror , A. C. 1975 Environmental requirements of selected estuarine ciliated protozoa 57
4. Benthic cyanophytes (cyanobacteria) of Solar Lake (Sinai);Campbell;Arch. Hydrobiol./Suppl. 71, Algological Studies,1985
5. A microbial species-A macromyth;Cowan;In Microbial Classification,1962