@article {601,
	title = {Einige Organisationsverhaltnisse von Sipunculusarten und ihre Bedeutung fur die Systematik dieser Tiere},
	journal = {Deutsche Zoologische Gesellschaft},
	year = {1912},
	pages = {261-272},
	author = {Spengel, J. W.}
}
@article {599,
	title = {Gephyriens (Sipunculides et Echiurides) provenant des campagnes de la Princesse Alice, 1898-1910},
	journal = {Resultats des Campagnes Scientifique accomplies sur son yacht sur Albert I, Prince Souverain de Monaco},
	volume = {36},
	year = {1912},
	pages = {1-36},
	author = {Sluiter, C. P.}
}
@article {133,
	title = {Report on sundry invertebrates from the Kermadec Islands},
	journal = {Transactions and Proceedings of the New Zealand Institute},
	volume = {44},
	year = {1912},
	pages = {135-138},
	author = {Benham, W. B.}
}
