Burns, Jack O.; Hanisch, Robert J.; White, Richard A.; Nelson, Eric R.; Morrisette, Kim A.; Moody, J. Ward (1987-09-01). «A VLA 20 CM survey of poor groups of galaxies». The Astronomical Journal94: 587–617. doi:10.1086/114494. ISSN0004-6256. Bibcode: 1987AJ.....94..587B.
An, T.; Cheng, X.-P. (2018-07-06). «Parsec-scale radio structure of 14 Fanaroff-Riley type 0 radio galaxies» (στα αγγλικά). The Astrophysical Journal863 (2): 155. doi:10.3847/1538-4357/aad22c. Bibcode: 2018ApJ...863..155C.
Burns, Jack O.; Hanisch, Robert J.; White, Richard A.; Nelson, Eric R.; Morrisette, Kim A.; Moody, J. Ward (1987-09-01). «A VLA 20 CM survey of poor groups of galaxies». The Astronomical Journal94: 587–617. doi:10.1086/114494. ISSN0004-6256. Bibcode: 1987AJ.....94..587B.
An, T.; Cheng, X.-P. (2018-07-06). «Parsec-scale radio structure of 14 Fanaroff-Riley type 0 radio galaxies» (στα αγγλικά). The Astrophysical Journal863 (2): 155. doi:10.3847/1538-4357/aad22c. Bibcode: 2018ApJ...863..155C.
Burns, Jack O.; Hanisch, Robert J.; White, Richard A.; Nelson, Eric R.; Morrisette, Kim A.; Moody, J. Ward (1987-09-01). «A VLA 20 CM survey of poor groups of galaxies». The Astronomical Journal94: 587–617. doi:10.1086/114494. ISSN0004-6256. Bibcode: 1987AJ.....94..587B.