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Photographic measures of close double stars ...

Proefschrift--Utrecht. / "Literature": p. [77]-78.

Identiferoai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/607844203
Date January 1931
CreatorsReuijl, Dirk.
PublisherUtrecht, P. den Boer,
Source SetsOCLC
LanguageEnglish
Detected LanguageEnglish

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