G. Giuricin, C. Marinoni, L. Ceriani, A. Pisani: Nearby Optical Galaxies: Selection of the Sample and Identification of Groups. In: Astrophysical Journal. 543. Jahrgang, Nr.1, 2000, S.178–194, doi:10.1086/317070, arxiv:astro-ph/0001140, bibcode:2000ApJ...543..178G.
G. Giuricin, C. Marinoni, L. Ceriani, A. Pisani: Nearby Optical Galaxies: Selection of the Sample and Identification of Groups. In: Astrophysical Journal. 543. Jahrgang, Nr.1, 2000, S.178–194, doi:10.1086/317070, arxiv:astro-ph/0001140, bibcode:2000ApJ...543..178G.
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A. Garcia: General study of group membership. II - Determination of nearby groups. In: Astronomy and Astrophysics Supplement. 100. Jahrgang, 1993, S.47–90, bibcode:1993A&AS..100...47G.
G. Giuricin, C. Marinoni, L. Ceriani, A. Pisani: Nearby Optical Galaxies: Selection of the Sample and Identification of Groups. In: Astrophysical Journal. 543. Jahrgang, Nr.1, 2000, S.178–194, doi:10.1086/317070, arxiv:astro-ph/0001140, bibcode:2000ApJ...543..178G.
