Garcia, A. M. (1993-07-01). «General study of group membership. II - Determination of nearby groups». Astronomy and Astrophysics Supplement Series100: 47–90. ISSN0365-0138. Bibcode: 1993A&AS..100...47G.
Garcia, A. M. (1993-07-01). «General study of group membership. II - Determination of nearby groups». Astronomy and Astrophysics Supplement Series100: 47–90. ISSN0365-0138. Bibcode: 1993A&AS..100...47G.