NGC 6564 (Polish Wikipedia)

Analysis of information sources in references of the Wikipedia article "NGC 6564" in Polish language version.

refsWebsite
Global rank Polish rank
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2,148th place
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low place

cseligman.com

  • Courtney Seligman: NGC 6564. Celestial Atlas. [dostęp 2014-09-04]. (ang.).

haroldcorwin.net

  • Harold G. Corwin Jr.: NGC 6564. [w:] Notes on the NGC objects, particularly those missing, misidentified, or otherwise unusual [on-line]. 2017-06-20. [dostęp 2017-09-03]. (ang.).