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Observations of variable stars

Proefschrift (Ph. D.)--Rijksuniversiteit te Leiden, 1921.

Identiferoai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/262471555
Date January 1921
CreatorsLuyten, Willem Jacob,
PublisherLeiden, Eduard Ijdo,
Source SetsOCLC
LanguageEnglish
Detected LanguageDutch

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