NGC 3393 (Polish Wikipedia)

Analysis of information sources in references of the Wikipedia article "NGC 3393" in Polish language version.

refsWebsite

Global rank Polish rank

low place

4,624^th place

1,342^nd place

566^th place

low place

2,148^th place

astronomy.com

Chandra finds nearest pair of supermassive black holes. astronomy.com, 2011-09-01. [dostęp 2015-05-15]. (ang.).

cseligman.com

Courtney Seligman: NGC 3393. Celestial Atlas. [dostęp 2015-05-15]. (ang.).

u-strasbg.fr

simbad.u-strasbg.fr

NGC 3393 w bazie SIMBAD (ang.)