@article {643,
	title = {Priapulids and Sipunculids dredged by the Swedish Antarctic Expedition 1901-1903 and the phenomenon of bipolarity},
	journal = {Kungliga Svenska Vetenskaps-Akademiens Handlingar},
	volume = {47},
	number = {1},
	year = {1911},
	pages = {3-36},
	author = {Theel, H.}
}
@article {642,
	title = {Northern and Arctic invertebrates in the collection of the Swedish State Museum I. Sipunculids},
	journal = {Kungliga Svenska Vetenskaps-Akademiens Handlingar},
	volume = {39},
	number = {1},
	year = {1905},
	pages = {1-130},
	author = {Theel, H.}
}
@article {641,
	title = {Etudes sur les gephyriens inermes des mers de la Scandinavie, du Spitzberg et du Groenland},
	journal = {Bihang till Kungliga Svenska Vetenskaps-Akademiens Handlingar},
	volume = {3},
	number = {6},
	year = {1875},
	pages = {1-30},
	author = {Theel, H.}
}
@article {640,
	title = {Le Phascolion (Phascolosoma) strombi (Mont.)},
	journal = {Bihang Till Kungliga Svenska Vetenskaps-Akademiens Handlingar},
	volume = {3},
	number = {3},
	year = {1875},
	pages = {1-7},
	author = {Theel, H.}
}
