NGC 2018 (Polish Wikipedia)

Analysis of information sources in references of the Wikipedia article "NGC 2018" in Polish language version.

refsWebsite

Global rank Polish rank

low place

2,148^th place

1,342^nd place

566^th place

low place

2,403^rd place

astronet.pl (Global: low place; Polish: 2,403^rd place)

news.astronet.pl

Obraz życia i śmierci we Wszechświecie. [w:] AstroNEWS [on-line]. Klub Astronomiczny Almukantarat, 2004-03-10. [dostęp 2016-09-15].

cseligman.com (Global: low place; Polish: 2,148^th place)

Courtney Seligman: NGC 2018. Celestial Atlas. [dostęp 2014-08-22]. (ang.).

u-strasbg.fr (Global: 1,342^nd place; Polish: 566^th place)

simbad.u-strasbg.fr

NGC 2018 w bazie SIMBAD (ang.)