@article {1744,
	title = {A new species of solitary ascidian (Ascidiacea:  Pyuridae) from Mason Bay, Northwest Territories, Canada},
	journal = {Journal of Natural History},
	volume = {23},
	year = {1989},
	pages = {219-224},
	author = {Korczynski, R.E.}
}
@article {1735,
	title = {Tunicates. Ascidians. Colonial ascidians of the family Didemnidae from the seas of the USSR and adjacent waters},
	journal = {Fauna of USSR. Supplement No. 138},
	volume = {1},
	year = {1989},
	pages = {1-224},
	author = {Romanov, V.N.}
}
@article {1651,
	title = {Ascidies de Nouvelle-Caledonie VII. Les genres Atriolum et Leptoclinides dans le lagon sud},
	journal = {Bulletin du Museum National d{\textquoteright}Histoire Naturelle, Paris (4)},
	volume = {11A},
	year = {1989},
	pages = {673-691},
	author = {Monniot, F.}
}
@article {439,
	title = {Ascidians collected around the Galapagos Islands using the Johnson-Sea-Link research submersible},
	journal = {Proceedings of the Biological Society of Washington},
	volume = {102},
	number = {1},
	year = {1989},
	pages = {14-32},
	author = {Monniot, C. and F. Monniot}
}
