Parma, P.; de Ruiter, H. R.; Cameron, R. A. (1991-12-01). "Very large array observations of radio-selected dumbbell galaxies". The Astronomical Journal. 102: 1960–1976. Bibcode:1991AJ....102.1960P. doi:10.1086/116018. ISSN0004-6256.
Gavazzi, G.; Perola, G. C.; Jaffe, W. (1981-11-01). "Observations of the head-tail radio galaxy NGC 3862 /3C 264/ at 0.6, 1.4, and 5.0 GHz". Astronomy and Astrophysics. 103: 35–43. Bibcode:1981A&A...103...35G. ISSN0004-6361.
Parma, P.; de Ruiter, H. R.; Cameron, R. A. (1991-12-01). "Very large array observations of radio-selected dumbbell galaxies". The Astronomical Journal. 102: 1960–1976. Bibcode:1991AJ....102.1960P. doi:10.1086/116018. ISSN0004-6256.
Gavazzi, G.; Perola, G. C.; Jaffe, W. (1981-11-01). "Observations of the head-tail radio galaxy NGC 3862 /3C 264/ at 0.6, 1.4, and 5.0 GHz". Astronomy and Astrophysics. 103: 35–43. Bibcode:1981A&A...103...35G. ISSN0004-6361.
Parma, P.; de Ruiter, H. R.; Cameron, R. A. (1991-12-01). "Very large array observations of radio-selected dumbbell galaxies". The Astronomical Journal. 102: 1960–1976. Bibcode:1991AJ....102.1960P. doi:10.1086/116018. ISSN0004-6256.