Ho, Luis C.;Filippenko, Alexei V.;Sargent, Wallace L. W.«A Search for 'Dwarf' Seyfert Nuclei. III. Spectroscopic Parameters and Properties of the Host Galaxies».The Astrophysical Journal Supplement Series,112,10-1997,p.315. arXiv: astro-ph/9704107. Bibcode: 1997ApJS..112..315H. DOI: 10.1086/313041.
Martins, Lucimara P.;Lanfranchi, Gustavo;Goncalves, Denise R.;Magrini, Laura;Teodorescu, Ana M.;Quireza, Cintia«The ionization mechanism of NGC 185: How to fake a Seyfert galaxy?».Monthly Notices of the Royal Astronomical Society,419,4,2-2012,p.3159–3166. arXiv: 1110.5891. Bibcode: 2012MNRAS.419.3159M. DOI: 10.1111/j.1365-2966.2011.19954.x.
Ho, Luis C.;Filippenko, Alexei V.;Sargent, Wallace L. W.«A Search for 'Dwarf' Seyfert Nuclei. III. Spectroscopic Parameters and Properties of the Host Galaxies».The Astrophysical Journal Supplement Series,112,10-1997,p.315. arXiv: astro-ph/9704107. Bibcode: 1997ApJS..112..315H. DOI: 10.1086/313041.
Martins, Lucimara P.;Lanfranchi, Gustavo;Goncalves, Denise R.;Magrini, Laura;Teodorescu, Ana M.;Quireza, Cintia«The ionization mechanism of NGC 185: How to fake a Seyfert galaxy?».Monthly Notices of the Royal Astronomical Society,419,4,2-2012,p.3159–3166. arXiv: 1110.5891. Bibcode: 2012MNRAS.419.3159M. DOI: 10.1111/j.1365-2966.2011.19954.x.
Ho, Luis C.;Filippenko, Alexei V.;Sargent, Wallace L. W.«A Search for 'Dwarf' Seyfert Nuclei. III. Spectroscopic Parameters and Properties of the Host Galaxies».The Astrophysical Journal Supplement Series,112,10-1997,p.315. arXiv: astro-ph/9704107. Bibcode: 1997ApJS..112..315H. DOI: 10.1086/313041.
Martins, Lucimara P.;Lanfranchi, Gustavo;Goncalves, Denise R.;Magrini, Laura;Teodorescu, Ana M.;Quireza, Cintia«The ionization mechanism of NGC 185: How to fake a Seyfert galaxy?».Monthly Notices of the Royal Astronomical Society,419,4,2-2012,p.3159–3166. arXiv: 1110.5891. Bibcode: 2012MNRAS.419.3159M. DOI: 10.1111/j.1365-2966.2011.19954.x.