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NGC 156 (Polish Wikipedia)

Analysis of information sources in references of the Wikipedia article "NGC 156" in Polish language version.

Last modified:

Ref.Un. Ref.Website
Global rank Polish rank
31cseligman.com
1,720th place
239th place
11haroldcorwin.net
low place
2,592nd place

cseligman.com (Global: 1,720th place; Polish: 239th place)

  • Courtney Seligman: NGC 156. [w:] Celestial Atlas [on-line]. [dostęp 2014-02-07]. (ang.).

haroldcorwin.net (Global: low place; Polish: 2,592nd place)

  • Harold G. Corwin, Jr.: NGC 156. [w:] Notes on the NGC objects, particularly those missing, misidentified, or otherwise unusual [on-line]. 2016-07-17. [dostęp 2016-10-19]. (ang.).