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Zdeněk Kopal (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Zdeněk Kopal" in English language version.

refsWebsite
Global rank English rank
1web.archive.org
1st place
1st place
1springerreference.com
low place
low place
1harvard.edu
18th place
17th place

harvard.edu (Global: 18th place; English: 17th place)

ui.adsabs.harvard.edu

  • "Book Review: An Introduction to the Study of Eclipsing Variables, by Zdenek Kopal". Popular Astronomy. 54: 384. 1946. Bibcode:1946PA.....54..384K.

springerreference.com (Global: low place; English: low place)

  • Hockey, Thomas (2009). The Biographical Encyclopedia of Astronomers. Springer Publishing. ISBN 978-0-387-31022-0. Archived from the original on 20 June 2013. Retrieved 22 August 2012.

web.archive.org (Global: 1st place; English: 1st place)

  • Hockey, Thomas (2009). The Biographical Encyclopedia of Astronomers. Springer Publishing. ISBN 978-0-387-31022-0. Archived from the original on 20 June 2013. Retrieved 22 August 2012.