@inbook {266,
	title = {Echuiriden, Sipunculiden, und Priapuliden},
	booktitle = {Die Tierwelt der Nord-und Ostsee},
	year = {1925},
	pages = {1-55},
	publisher = {Akademische Verlagsgesellschaft},
	organization = {Akademische Verlagsgesellschaft},
	address = {Leipzig},
	author = {Fischer, W.},
	editor = {Grimpe, G. and Wagler, E.}
}
