@article {637,
	title = {Sipunculiden. Resultats Scientifiques du Voyage aux Indes Orientals Neerlandaises de LL. AA. RR. le Prince et Princesse Leopold de Belgigue},
	journal = {Memoires du Musee Royal d{\textquoteright}Histoire Naturelle de Belgique},
	volume = {2},
	number = {13},
	year = {1933},
	pages = {1-4},
	author = {tenBroeke, A.}
}
@article {636,
	title = {Sipunculoidea und Echiuroidea},
	journal = {Tierwelt Deutschlands und der Angrenzenden},
	volume = {15},
	year = {1929},
	pages = {156-168},
	author = {tenBroeke, A.}
}
@article {635,
	title = {Westindische Sipunculiden und Echuiriden},
	journal = {Bijdragen tot de Dierkunde},
	volume = {24},
	year = {1925},
	pages = {81-96},
	author = {tenBroeke, A.}
}
