@booklet {6775,
	title = {Permskaya sistema},
	howpublished = {Atlas rukovodiashchikh form iskopaemykh faun SSSR},
	volume = {6},
	year = {1939},
	note = {xeroxIn RussianHave 134-5,258-9, pl.31},
	pages = {??},
	publisher = {GONTI NKTP SSSR},
	address = {Leningrad, Moskva},
	keywords = {bivalvia, mollusca, oxitoma, oxitomidae, paleontology, permian, pseudomonotidae, pseudomonotis, Pteria, pteriidae, pterioida, pterioidea},
	author = {Likharev, B.}
}
@book {1114,
	title = {Trait{\'e} {\'e}l{\'e}mentaire de conchyliologie avec les applications de cette science a la g{\'e}ologie, par G.-P. Deshayes. Atlas},
	year = {1939},
	publisher = {Victor Masson},
	organization = {Victor Masson},
	address = {Paris},
	keywords = {atrina, avicula, bakevellidae, bivalvia, crenatula, electroma, fossils, Gervilla, isognomon, isognomonidae, malleidae, malleus, mollusca, paleontology, pinctada, pinna, pinnidae, pinnoidea, Pteria, pteriidae, pterioida, pterioidea, taxonomy, vulsella},
	author = {Deshayes, G.-P.}
}
@booklet {1337,
	title = {Permskaya sistema},
	howpublished = {Atlas rukovodiashchikh form iskopaemykh faun SSSR},
	volume = {6},
	year = {1939},
	publisher = {GONTI NKTP SSSR},
	address = {Leningrad, Moskva},
	keywords = {bivalvia, mollusca, oxitoma, oxitomidae, paleontology, permian, pseudomonotidae, pseudomonotis, Pteria, pteriidae, pterioida, pterioidea},
	author = {Likharev, B.}
}
