T. Shanks, N. R. Tanvir, J. V. Major, A. P. Doel, C. N. Dunlop et R. M. Myers, « High-resolution imaging of Virgo cluster galaxies. II. Detection of the brightest stars in NGC 4523. », Monthly Notices of the Royal Astronomical Society, vol. 256, , p. 29P-32P (DOI10.1093/mnras/256.1.29P, Bibcode1992MNRAS.256P..29S, lire en ligne)
B. Binggeli, A. Sandage et G.A. Tammann, « Studies of the Virgo cluster. II. A catalog of 2096 galaxies in the Virgo cluster area. », Astronomical Journal, vol. 90, , p. 1681-1758 (DOI10.1086/113874, Bibcode1985AJ.....90.1681B)
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T. Shanks, N. R. Tanvir, J. V. Major, A. P. Doel, C. N. Dunlop et R. M. Myers, « High-resolution imaging of Virgo cluster galaxies. II. Detection of the brightest stars in NGC 4523. », Monthly Notices of the Royal Astronomical Society, vol. 256, , p. 29P-32P (DOI10.1093/mnras/256.1.29P, Bibcode1992MNRAS.256P..29S, lire en ligne)
B. Binggeli, A. Sandage et G.A. Tammann, « Studies of the Virgo cluster. II. A catalog of 2096 galaxies in the Virgo cluster area. », Astronomical Journal, vol. 90, , p. 1681-1758 (DOI10.1086/113874, Bibcode1985AJ.....90.1681B)
adsabs.harvard.edu
T. Shanks, N. R. Tanvir, J. V. Major, A. P. Doel, C. N. Dunlop et R. M. Myers, « High-resolution imaging of Virgo cluster galaxies. II. Detection of the brightest stars in NGC 4523. », Monthly Notices of the Royal Astronomical Society, vol. 256, , p. 29P-32P (DOI10.1093/mnras/256.1.29P, Bibcode1992MNRAS.256P..29S, lire en ligne)