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NGC 3977 (Polish Wikipedia)

Analysis of information sources in references of the Wikipedia article "NGC 3977" in Polish language version.

refsWebsite
Global rank Polish rank
1u-strasbg.fr
1,342nd place
566th place
1cseligman.com
low place
2,148th place
1haroldcorwin.net
low place
low place
1harvard.edu
18th place
140th place

cseligman.com

  • Courtney Seligman: NGC 3977. [w:] Celestial Atlas [on-line]. [dostęp 2014-12-14]. (ang.).

haroldcorwin.net

  • Harold G. Corwin Jr.: NGC 3980 = NGC 3977. [w:] Notes on the NGC objects, particularly those missing, misidentified, or otherwise unusual [on-line]. 2018-06-18. [dostęp 2018-08-06]. (ang.).

harvard.edu

cbat.eps.harvard.edu

  • List of Supernovae. [w:] IAU Central Bureau for Astronomical Telegrams [on-line]. Międzynarodowa Unia Astronomiczna. [dostęp 2014-12-14]. (ang.).

u-strasbg.fr

simbad.u-strasbg.fr