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NGC 3721 (Polish Wikipedia)

Analysis of information sources in references of the Wikipedia article "NGC 3721" in Polish language version.

refsWebsite
Global rank Polish rank
2cseligman.com
low place
2,148th place
1caltech.edu
887th place
766th place
1haroldcorwin.net
low place
low place
1u-strasbg.fr
1,342nd place
566th place

caltech.edu

ned.ipac.caltech.edu

cseligman.com

  • Courtney Seligman: NGC 3721. [w:] Celestial Atlas [on-line]. [dostęp 2015-05-27]. (ang.).
  • Courtney Seligman: NGC 3730. Celestial Atlas. [dostęp 2015-05-27]. (ang.).

haroldcorwin.net

  • Harold G. Corwin, Jr.: NGC 3721, 3722, 3724, and 3730. [w:] Notes on the NGC objects, particularly those missing, misidentified, or otherwise unusual [on-line]. 2015-04-24. [dostęp 2015-05-27]. (ang.).

u-strasbg.fr

simbad.u-strasbg.fr