Gavazzi, G.; Savorgnan, G.; Fumagalli, Mattia (2011-10-01). «The complete census of optically selected AGNs in the Coma supercluster: the dependence of AGN activity on the local environment». Astronomy and Astrophysics534: A31. doi:10.1051/0004-6361/201117461. ISSN0004-6361. Bibcode: 2011A&A...534A..31G.
Gavazzi, G.; Savorgnan, G.; Fumagalli, Mattia (2011-10-01). «The complete census of optically selected AGNs in the Coma supercluster: the dependence of AGN activity on the local environment». Astronomy and Astrophysics534: A31. doi:10.1051/0004-6361/201117461. ISSN0004-6361. Bibcode: 2011A&A...534A..31G.
Gavazzi, G.; Savorgnan, G.; Fumagalli, Mattia (2011-10-01). «The complete census of optically selected AGNs in the Coma supercluster: the dependence of AGN activity on the local environment». Astronomy and Astrophysics534: A31. doi:10.1051/0004-6361/201117461. ISSN0004-6361. Bibcode: 2011A&A...534A..31G.