Brandl, B. R.; Martín-Hernández, N. L.; Schaerer, D.; Rosenberg, M.; van der Werf, P. P. (27 Haziran 2012). "High resolution IR observations of the starburst ring in NGC 7552". Astronomy & Astrophysics. 543: A61. arXiv:1205.1922 $2. Bibcode:2012A&A...543A..61B. doi:10.1051/0004-6361/201117568.
Laurikainen, Eija; Salo, Heikki; Buta, Ronald; Vasylyev, Sergiy (Aralık 2004). "Bar-induced perturbation strengths of the galaxies in the Ohio State University Bright Galaxy Survey - I". Monthly Notices of the Royal Astronomical Society. 355 (4): 1251-1271. arXiv:astro-ph/0409503 $2. Bibcode:2004MNRAS.355.1251L. doi:10.1111/j.1365-2966.2004.08410.x.
Seidel, M. K.; Cacho, R.; Ruiz-Lara, T.; Falcon-Barroso, J.; Perez, I.; Sanchez-Blazquez, P.; Vogt, F. P. A.; Ness, M.; Freeman, K.; Aniyan, S. (30 Kasım 2014). "Dissecting galactic bulges in space and time - I. The importance of early formation scenarios versus secular evolution". Monthly Notices of the Royal Astronomical Society. 446 (3): 2837-2860. arXiv:1411.2969 $2. Bibcode:2015MNRAS.446.2837S. doi:10.1093/mnras/stu2295.
Roy, A. L.; Goss, W. M.; Anantharamaiah, K. R. (Mayıs 2008). "Detection of the H92α recombination line from the starbursts in the Circinus galaxy and NGC 1808". Astronomy and Astrophysics. 483 (1): 79-88. arXiv:0802.3175 $2. Bibcode:2008A&A...483...79R. doi:10.1051/0004-6361:20077405.
Wood, Corey M.; Tremonti, Christy A.; Calzetti, Daniela; Leitherer, Claus; Chisholm, John; Gallagher, John S. (25 Temmuz 2015). "Supernova-driven outflows in NGC 7552: a comparison of H α and UV tracers". Monthly Notices of the Royal Astronomical Society. 452 (3): 2712-2730. arXiv:1507.00346 $2. Bibcode:2015MNRAS.452.2712W. doi:10.1093/mnras/stv1471.
Brandl, B. R.; Martín-Hernández, N. L.; Schaerer, D.; Rosenberg, M.; van der Werf, P. P. (27 Haziran 2012). "High resolution IR observations of the starburst ring in NGC 7552". Astronomy & Astrophysics. 543: A61. arXiv:1205.1922 $2. Bibcode:2012A&A...543A..61B. doi:10.1051/0004-6361/201117568.
Laurikainen, Eija; Salo, Heikki; Buta, Ronald; Vasylyev, Sergiy (Aralık 2004). "Bar-induced perturbation strengths of the galaxies in the Ohio State University Bright Galaxy Survey - I". Monthly Notices of the Royal Astronomical Society. 355 (4): 1251-1271. arXiv:astro-ph/0409503 $2. Bibcode:2004MNRAS.355.1251L. doi:10.1111/j.1365-2966.2004.08410.x.
Seidel, M. K.; Cacho, R.; Ruiz-Lara, T.; Falcon-Barroso, J.; Perez, I.; Sanchez-Blazquez, P.; Vogt, F. P. A.; Ness, M.; Freeman, K.; Aniyan, S. (30 Kasım 2014). "Dissecting galactic bulges in space and time - I. The importance of early formation scenarios versus secular evolution". Monthly Notices of the Royal Astronomical Society. 446 (3): 2837-2860. arXiv:1411.2969 $2. Bibcode:2015MNRAS.446.2837S. doi:10.1093/mnras/stu2295.
Forbes, Duncan A.; Kotilainen, Jari K.; Moorwood, A. F. M. (Eylül 1994). "NGC 7552: A galaxy with a dormant active nucleus?". The Astrophysical Journal. 433: L13. Bibcode:1994ApJ...433L..13F. doi:10.1086/187536.
Roy, A. L.; Goss, W. M.; Anantharamaiah, K. R. (Mayıs 2008). "Detection of the H92α recombination line from the starbursts in the Circinus galaxy and NGC 1808". Astronomy and Astrophysics. 483 (1): 79-88. arXiv:0802.3175 $2. Bibcode:2008A&A...483...79R. doi:10.1051/0004-6361:20077405.
Wood, Corey M.; Tremonti, Christy A.; Calzetti, Daniela; Leitherer, Claus; Chisholm, John; Gallagher, John S. (25 Temmuz 2015). "Supernova-driven outflows in NGC 7552: a comparison of H α and UV tracers". Monthly Notices of the Royal Astronomical Society. 452 (3): 2712-2730. arXiv:1507.00346 $2. Bibcode:2015MNRAS.452.2712W. doi:10.1093/mnras/stv1471.
Brandl, B. R.; Martín-Hernández, N. L.; Schaerer, D.; Rosenberg, M.; van der Werf, P. P. (27 Haziran 2012). "High resolution IR observations of the starburst ring in NGC 7552". Astronomy & Astrophysics. 543: A61. arXiv:1205.1922 $2. Bibcode:2012A&A...543A..61B. doi:10.1051/0004-6361/201117568.
Laurikainen, Eija; Salo, Heikki; Buta, Ronald; Vasylyev, Sergiy (Aralık 2004). "Bar-induced perturbation strengths of the galaxies in the Ohio State University Bright Galaxy Survey - I". Monthly Notices of the Royal Astronomical Society. 355 (4): 1251-1271. arXiv:astro-ph/0409503 $2. Bibcode:2004MNRAS.355.1251L. doi:10.1111/j.1365-2966.2004.08410.x.
Seidel, M. K.; Cacho, R.; Ruiz-Lara, T.; Falcon-Barroso, J.; Perez, I.; Sanchez-Blazquez, P.; Vogt, F. P. A.; Ness, M.; Freeman, K.; Aniyan, S. (30 Kasım 2014). "Dissecting galactic bulges in space and time - I. The importance of early formation scenarios versus secular evolution". Monthly Notices of the Royal Astronomical Society. 446 (3): 2837-2860. arXiv:1411.2969 $2. Bibcode:2015MNRAS.446.2837S. doi:10.1093/mnras/stu2295.
Forbes, Duncan A.; Kotilainen, Jari K.; Moorwood, A. F. M. (Eylül 1994). "NGC 7552: A galaxy with a dormant active nucleus?". The Astrophysical Journal. 433: L13. Bibcode:1994ApJ...433L..13F. doi:10.1086/187536.
Roy, A. L.; Goss, W. M.; Anantharamaiah, K. R. (Mayıs 2008). "Detection of the H92α recombination line from the starbursts in the Circinus galaxy and NGC 1808". Astronomy and Astrophysics. 483 (1): 79-88. arXiv:0802.3175 $2. Bibcode:2008A&A...483...79R. doi:10.1051/0004-6361:20077405.
Wood, Corey M.; Tremonti, Christy A.; Calzetti, Daniela; Leitherer, Claus; Chisholm, John; Gallagher, John S. (25 Temmuz 2015). "Supernova-driven outflows in NGC 7552: a comparison of H α and UV tracers". Monthly Notices of the Royal Astronomical Society. 452 (3): 2712-2730. arXiv:1507.00346 $2. Bibcode:2015MNRAS.452.2712W. doi:10.1093/mnras/stv1471.