Edvard Hugo von Zeipel (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Edvard Hugo von Zeipel" in English language version.

refsWebsite

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6^th place

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1books.google.com

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archive.org

Cocks, Elijah (1995). Who's who on the moon : a biographical dictionary of lunar nomenclature. Tudor Publishers. p. 424.

books.google.com

DeVorkin, David H.; Russell, Henry Norris (2000). Henry Norris Russell: Dean of American Astronomers. Princeton University Press. ISBN 978-0-691-04918-2.