NGC 4397 (Polish Wikipedia)

Analysis of information sources in references of the Wikipedia article "NGC 4397" in Polish language version.

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

cseligman.com

  • Courtney Seligman: NGC 4397. [w:] Celestial Atlas [on-line]. [dostęp 2014-04-03]. (ang.).

haroldcorwin.net

  • Harold G. Corwin Jr.: NGC 4397. [w:] Notes on the NGC objects, particularly those missing, misidentified, or otherwise unusual [on-line]. 2017-06-20. [dostęp 2017-10-24]. (ang.).