G. Gavazzi; A. Boselli; M.Scodeggio; D. Pierini; m.fl. (1999). «The 3D structure of the Virgo cluster from H-band Fundamental Plane and Tully-Fisher distance determinations». Monthly Notices of the Royal Astronomical Society. 304 (3): 595–610. Bibcode:1999MNRAS.304..595G. arXiv:astro-ph/9812275. doi:10.1046/j.1365-8711.1999.02350.x.
G. Gavazzi; A. Boselli; M.Scodeggio; D. Pierini; m.fl. (1999). «The 3D structure of the Virgo cluster from H-band Fundamental Plane and Tully-Fisher distance determinations». Monthly Notices of the Royal Astronomical Society. 304 (3): 595–610. Bibcode:1999MNRAS.304..595G. arXiv:astro-ph/9812275. doi:10.1046/j.1365-8711.1999.02350.x.
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G. Gavazzi; A. Boselli; M.Scodeggio; D. Pierini; m.fl. (1999). «The 3D structure of the Virgo cluster from H-band Fundamental Plane and Tully-Fisher distance determinations». Monthly Notices of the Royal Astronomical Society. 304 (3): 595–610. Bibcode:1999MNRAS.304..595G. arXiv:astro-ph/9812275. doi:10.1046/j.1365-8711.1999.02350.x.