NGC 6401 (Polish Wikipedia)

Analysis of information sources in references of the Wikipedia article "NGC 6401" in Polish language version.

refsWebsite

Global rank Polish rank

1physmcmaster.ca

low place

low place

low place

2,148^th place

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

Courtney Seligman: NGC 6401. [w:] Celestial Atlas [on-line]. [dostęp 2014-10-29]. (ang.).

physmcmaster.ca (Global: low place; Polish: low place)

William E. Harris: Katalog gromad kulistych Drogi Mlecznej 1996 (rewizja 2010). [dostęp 2014-10-29].