@article {1782,
	title = {Ueber eine Cystodites-Art aus Japan},
	journal = {Proceedings of the Imperial Academy, Tokyo},
	volume = {5},
	year = {1929},
	pages = {480-482},
	author = {Oka, A.}
}
@article {1780,
	title = {Ueber eine neue gestielte Monascidie Podocynthia turboja n.g. n.sp.},
	journal = {Proceedings of the Imperial Academy , Tokyo},
	volume = {5},
	year = {1929},
	pages = {94-96},
	author = {Oka, A.}
}
@article {1699,
	title = {Chilean Tunicates. Ascidians from the Guaitecas Islands},
	journal = {Arkiv for Zoologi},
	volume = {21A},
	year = {1929},
	pages = {1-26},
	author = {Arnback-Christie-Linde, A}
}
@article {1671,
	title = {Eine zweite japanische Art der Gattung Agnesia},
	journal = {Proceedings of the Imperial Academy of Japan},
	volume = {5},
	year = {1929},
	pages = {152-154},
	author = {Oka, A.}
}
