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NGC 668 (Italian Wikipedia)

Analysis of information sources in references of the Wikipedia article "NGC 668" in Italian language version.

Last modified:

Ref.Un. Ref.Website
Global rank Italian rank
81caltech.edu
240th place
249th place
61astrovalleyfield.ca
low place
1,389th place
51cseligman.com
1,720th place
500th place
11adsabs.harvard.edu
14th place
63rd place

adsabs.harvard.edu (Global: 14th place; Italian: 63rd place)

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

astrovalleyfield.ca (Global: low place; Italian: 1,389th place)

caltech.edu (Global: 240th place; Italian: 249th place)

ned.ipac.caltech.edu

cseligman.com (Global: 1,720th place; Italian: 500th place)