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Ralph Copeland (Polish Wikipedia)

Analysis of information sources in references of the Wikipedia article "Ralph Copeland" in Polish language version.

refsWebsite
Global rank Polish rank
2doi.org
2nd place
6th place
1ericpercival.co.uk
low place
low place
1klima-luft.de
low place
low place

doi.org (Global: 2nd place; Polish: 6th place)

dx.doi.org

  • Ralph Copeland, „Monthly Notices of the Royal Astronomical Society”, 66 (4), 1906, s. 164–174, DOI: 10.1093/mnras/66.4.164 [dostęp 2024-07-22] (ang.).
  • Jordan D. Marché, Copeland, Ralph, [w:] Thomas Hockey i inni red., Biographical Encyclopedia of Astronomers, wyd. 2, New York, NY: Springer, 2014, s. 460–461, DOI: 10.1007/978-1-4419-9917-7_302, ISBN 978-1-4419-9916-0 (ang.).

ericpercival.co.uk (Global: low place; Polish: low place)

klima-luft.de (Global: low place; Polish: low place)

  • Wolfgang Steinicke: Ralph Copeland. [w:] NGC/IC observers [on-line]. [dostęp 2014-05-04]. (ang.).