Édouard Stephan (Vietnamese Wikipedia)

Analysis of information sources in references of the Wikipedia article "Édouard Stephan" in Vietnamese language version.

refsWebsite

Global rank Vietnamese rank

2books.google.com

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books.google.com

Steinicke, Wolfgang (2008). Nebel und Sternhaufen: Geschichte ihrer Entdeckung, Beobachtung und Katalogisierung - von Herschel bis zu Dreyer's "New General Catalogue" (bằng tiếng Đức). Hamburg. tr. 296–298. ISBN 978-3-8370-8350-7.
Hutchins, Roger (2008). British university observatories, 1772-1939. England: Ashgate Publishing Lmiited. tr. 248. ISBN 978-0-7546-3250-4.