@article {193,
	title = {Oxygenic photosynthetic bacteria. Group I. Cyanobacteria},
	journal = {Bergey{\textquoteright}s manual of systematic bacteriology},
	volume = {3},
	year = {1989},
	pages = {1710{\textendash}1789},
	author = {Castenholz, RW and Waterbury, JB}
}
