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M. A. G. Maia, L. N. da Costa, David W. Latham: A catalog of southern groups of galaxies. In: The Astrophysical Journal Supplement Series. Band 69. 1989, S. 809–829, bibcode:1989ApJS...69..809M, doi:10.1086/191328, ISSN0067-0049
M. A. G. Maia, L. N. da Costa, David W. Latham: A catalog of southern groups of galaxies. In: The Astrophysical Journal Supplement Series. Band 69. 1989, S. 809–829, bibcode:1989ApJS...69..809M, doi:10.1086/191328, ISSN0067-0049