Barnes, D. G.; de Blok, W. J. G. (2001-06-25). "On the Neutral Gas Content and Environment of NGC 3109 and the Antlia Dwarf Galaxy". The Astronomical Journal. 122 (2): 825–829. arXiv:astro-ph/0107474. doi:10.1086/321170. S2CID15734118.
Barnes, D. G.; de Blok, W. J. G. (2001-06-25). "On the Neutral Gas Content and Environment of NGC 3109 and the Antlia Dwarf Galaxy". The Astronomical Journal. 122 (2): 825–829. arXiv:astro-ph/0107474. doi:10.1086/321170. S2CID15734118.
Barnes, D. G.; de Blok, W. J. G. (2001-06-25). "On the Neutral Gas Content and Environment of NGC 3109 and the Antlia Dwarf Galaxy". The Astronomical Journal. 122 (2): 825–829. arXiv:astro-ph/0107474. doi:10.1086/321170. S2CID15734118.