@article {1770,
	title = {On the finding of a new ascidian species Cnemidocarpa zenkevitchi in the Fiord of the Banger Oasis (Antarctic) (in Russian)},
	journal = {Zoologicheskii Zhurnal},
	volume = {37},
	year = {1958},
	pages = {1375-1379},
	author = {Vinogradova, N.G.}
}
@article {1742,
	title = {A new aberrant ascidian Oligotrema laethmobia sp. n., and taxonomic rank of the group Sorberacea},
	journal = {Zoologicheskii Zhurnal},
	volume = {72},
	year = {1993},
	pages = {104-115},
	author = {Ivanov, A.V.}
}
@article {1739,
	title = {Didemnidae (Ascidiacea) in the sublitoral zone of the Iturup Islands},
	journal = {Zoologicheskii Zhurnal},
	volume = {53},
	year = {1974},
	pages = {237-243},
	author = {Romanov, V.N.}
}
