@book {38,
	title = {Taxonomische und {\"o}kologische Revision der Ciliaten des Saprobiensystems - Band I: Cyrtophorida, Oligotrichia, Hypotrichia, Colpodea.},
	series = {Infromat Bayer Land. Wasserwirt },
	volume = {1},
	year = {1991},
	pages = {478},
	author = {W. Foissner and H. Blatterer and H. Berger and F. Kohmann}
}
