(en) Chidi E. Akujor, R. E. Spencer, F. J. Zhang, R. J. Davis, I. W. A. Browne et C. Fanti, «MERLIN observations of steep-spectrum radio sources at 6 cm», Monthly Notices of the Royal Astronomical Society, vol.250, no1, , p.215–224 (ISSN0035-8711, DOI10.1093/mnras/250.1.215, Bibcode1991MNRAS.250..215A)
(en) Chidi E. Akujor, R. E. Spencer, F. J. Zhang, R. J. Davis, I. W. A. Browne et C. Fanti, «MERLIN observations of steep-spectrum radio sources at 6 cm», Monthly Notices of the Royal Astronomical Society, vol.250, no1, , p.215–224 (ISSN0035-8711, DOI10.1093/mnras/250.1.215, Bibcode1991MNRAS.250..215A)
(en) Chidi E. Akujor, R. E. Spencer, F. J. Zhang, R. J. Davis, I. W. A. Browne et C. Fanti, «MERLIN observations of steep-spectrum radio sources at 6 cm», Monthly Notices of the Royal Astronomical Society, vol.250, no1, , p.215–224 (ISSN0035-8711, DOI10.1093/mnras/250.1.215, Bibcode1991MNRAS.250..215A)