NGC 4331 (French Wikipedia)

Analysis of information sources in references of the Wikipedia article "NGC 4331" in French language version.

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astrovalleyfield.ca

caltech.edu

ned.ipac.caltech.edu

cseligman.com

doi.org

dx.doi.org

harvard.edu

ui.adsabs.harvard.edu

oup.com

academic.oup.com

researchgate.net

  • Abraham Mahtessian, « Groups of galaxies. III. Some empirical characteristics », Astrophysics, vol. 41 #3,‎ , p. 308-321 (DOI 10.1007/BF03036100, lire en ligne, consulté le )

univ-lyon1.fr

leda.univ-lyon1.fr