Ramya, S.; Prabhu, T. P.; Das, M. (2011-12-01). «Active galactic nucleus activity and black hole masses in low surface brightness galaxies» (στα αγγλικά). Monthly Notices of the Royal Astronomical Society418 (2): 789–800. doi:10.1111/j.1365-2966.2011.19530.x. ISSN0035-8711. Bibcode: 2011MNRAS.418..789R.
Ramya, S.; Prabhu, T. P.; Das, M. (2011-12-01). «Active galactic nucleus activity and black hole masses in low surface brightness galaxies» (στα αγγλικά). Monthly Notices of the Royal Astronomical Society418 (2): 789–800. doi:10.1111/j.1365-2966.2011.19530.x. ISSN0035-8711. Bibcode: 2011MNRAS.418..789R.
P., Amram; M., Marcelin; C., Balkowski; V., Cayatte; III, Sullivan, W. T.; E., Le Coarer (January 1994). «Halpha velocity fields and rotation curves of galaxies in clusters» (στα αγγλικά). Astronomy and Astrophysics Supplement Series103: 5. ISSN0365-0138. Bibcode: 1994A&AS..103....5A.
Ramya, S.; Prabhu, T. P.; Das, M. (2011-12-01). «Active galactic nucleus activity and black hole masses in low surface brightness galaxies» (στα αγγλικά). Monthly Notices of the Royal Astronomical Society418 (2): 789–800. doi:10.1111/j.1365-2966.2011.19530.x. ISSN0035-8711. Bibcode: 2011MNRAS.418..789R.
P., Amram; M., Marcelin; C., Balkowski; V., Cayatte; III, Sullivan, W. T.; E., Le Coarer (January 1994). «Halpha velocity fields and rotation curves of galaxies in clusters» (στα αγγλικά). Astronomy and Astrophysics Supplement Series103: 5. ISSN0365-0138. Bibcode: 1994A&AS..103....5A.