@inbook {3221,
	title = {Suctoria.},
	booktitle = {Die Tierwelt der Nord- und Ostsee},
	volume = {Teil II, c},
	year = {1934},
	note = { General},
	pages = {184-226},
	address = {Leipzig},
	author = {Kahl, A.},
	editor = {Grimpe, G. and Wagler, E.}
}
