羅伯特·埃姆登 (Chinese Wikipedia)

Analysis of information sources in references of the Wikipedia article "羅伯特·埃姆登" in Chinese language version.

refsWebsite

Global rank Chinese rank

1springerreference.com

low place

low place

1web.archive.org

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1^st place

springerreference.com

Hockey, Thomas. The Biographical Encyclopedia of Astronomers. Springer Publishing. 2009 [August 22, 2012]. ISBN 978-0-387-31022-0. （原始内容存档于2013-10-29）.

web.archive.org

Hockey, Thomas. The Biographical Encyclopedia of Astronomers. Springer Publishing. 2009 [August 22, 2012]. ISBN 978-0-387-31022-0. （原始内容存档于2013-10-29）.