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Photographic investigations of faint nebulae ...

Thesis (PH. D.)--University of Chicago, 1917. / "Publications of the Yerkes observatory, vol. IV, part II."

Identiferoai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/643958128
Date January 1920
CreatorsHubble, Edwin Powell,
PublisherChicago, Ill., The University of Chicago press,
Source SetsOCLC
LanguageEnglish
Detected LanguageEnglish

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