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@book {575,
	title = {Catalogue of the Mollusca in the collection of the British Museum, 2},
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	author = {P. Pelseneer}
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@article {565,
	title = {Report on the scientific results of the voyage of H.M.S. Challenger during the years 1872-76, Under the command of captain sir george s. nares and captain frank tourle thomson},
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	author = {P. Pelseneer}
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@book {554,
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	title = {Die Pteropoden der deutschen S{\"u}dpolar-Expedition 1901-1903},
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	chapter = {92},
	author = {J. Meisenheimer}
}
