NGC 3999 (Polish Wikipedia)

Analysis of information sources in references of the Wikipedia article "NGC 3999" in Polish language version.

refsWebsite
Global rank Polish rank
887th place
766th place
low place
2,148th place

caltech.edu

ned.ipac.caltech.edu

cseligman.com

  • Courtney Seligman: NGC 3999. Celestial Atlas. [dostęp 2015-06-12]. (ang.).