NGC 561 (Spanish Wikipedia)

Analysis of information sources in references of the Wikipedia article "NGC 561" in Spanish language version.

refsWebsite
Global rank Spanish rank
887th place
1,190th place
18th place
34th place

caltech.edu

ned.ipac.caltech.edu

harvard.edu

adsabs.harvard.edu

  • Garcia, A.M. (juillet de 1993). «General study of group membership. II - Determination of nearby groups». Astronomy and Astrophysics Supplement Series. 100 #1: 47-90. Bibcode:1993A&AS..100...47G.