@article {1764,
	title = {Report upon the Tunicata in the collection of the Indian Museum},
	journal = {Memoirs of the Indian Museum},
	volume = {6},
	year = {1915},
	pages = {1-33},
	author = {Oka, A.}
}
@article {229,
	title = {Einige neue ascidien von der West-Kuste Afrikas},
	journal = {Tijdschrift der Nederlandsche Dierkundige Vereeniging. series 2},
	volume = {14},
	year = {1915},
	pages = {37-57},
	author = {Sluiter, C.P.}
}
@article {220,
	title = {Tunicata.},
	journal = {Beitrage zur Kenntnis der Meeresfauna Westafrikas. Hamburg},
	volume = {1},
	year = {1915},
	pages = {312-518},
	author = {Michaelsen, W.}
}
