NGC 20 (Polish Wikipedia)

Analysis of information sources in references of the Wikipedia article "NGC 20" in Polish language version.

refsWebsite

Global rank Polish rank

5,388^th place

2,254^th place

887^th place

766^th place

1,342^nd place

566^th place

low place

2,148^th place

low place

caltech.edu

Harold G. Corwin Jr: NGC 6 = NGC 20. [w:] Notes on the NGC objects, particularly those missing, misidentified, or otherwise unusual [on-line]. 2017-06-20. [dostęp 2017-08-31]. (ang.).