@article {571,
	title = {Die regeneration des russels von Phascolion strombi (Mont) (Sipunculidae)},
	journal = {Zeitschrift fur Wissenschaftliche Zoologie},
	volume = {145},
	year = {1934},
	note = {@ IN GERMAN, NOT WHOLE ARTICLE SO NO ABSTRACT IN EITHER GERM OR ENGLISH. SOME PICTURES; PROBABLY NOT WORTH GETTING?},
	pages = {462-469},
	keywords = {regeneration},
	author = {Schleip, W.}
}
@article {418,
	title = {<i>Sipunculus nudus</i>},
	journal = {Zeitschrift fur Wissenschaftliche Zoologie},
	volume = {68},
	year = {1900},
	pages = {261-322},
	author = {Metalnikoff, S. J.}
}
@article {118,
	title = {Beitrage zur Anatomie und Histologie des Sipunculus nudus L},
	journal = {Zeitschrift fur wissenschaftliche zoologie},
	volume = {36},
	year = {1882},
	pages = {201-255},
	author = {Andreae, J.}
}
@article {573,
	title = {Eifurchung und Larvenbildung von Phascolosoma elongatum},
	journal = {Zeitschrift fur Wissenschaftliche Zoologie},
	volume = {25},
	year = {1875},
	pages = {442-450},
	keywords = {LARVAE},
	author = {Selenka, E.}
}
@article {376,
	title = {Untersuchungen uber einige amerikanische Sipunculiden},
	journal = {Zeitschrift fur Wissenschaftliche Zoologie},
	volume = {17},
	year = {1867},
	pages = {44-55},
	author = {Keferstein, W.}
}
@article {374,
	title = {Beitrage zur anatomischen und systematischen Kenntniss der Sipunculiden},
	journal = {Zeitschrift fur Wissenschaftliche Zoologie},
	volume = {15},
	year = {1865},
	pages = {404-445},
	author = {Keferstein, W.}
}
@article {372,
	title = {Beitrage sur Kenntnis der Gattung Phascolosoma F.S. Leuck. Untersuchungen uber niedere Seethiere},
	journal = {Zeitschrift fur Wissenschaftliche Zoologie},
	volume = {12},
	year = {1863},
	pages = {35-51},
	author = {Keferstein, W.}
}
