L. C. Ho; A. V. Filippenko; W. L. W. Sargent. A Search for "Dwarf" Seyfert Nuclei. III. Spectroscopic Parameters and Properties of the Host Galaxies. Astrophysical Journal Supplement. 1997, 112 (2): 315–390. Bibcode:1997ApJS..112..315H. arXiv:astro-ph/9704107. doi:10.1086/313041.
L. C. Ho; A. V. Filippenko; W. L. W. Sargent. A Search for "Dwarf" Seyfert Nuclei. III. Spectroscopic Parameters and Properties of the Host Galaxies. Astrophysical Journal Supplement. 1997, 112 (2): 315–390. Bibcode:1997ApJS..112..315H. arXiv:astro-ph/9704107. doi:10.1086/313041.
L. C. Ho; A. V. Filippenko; W. L. W. Sargent. A Search for "Dwarf" Seyfert Nuclei. III. Spectroscopic Parameters and Properties of the Host Galaxies. Astrophysical Journal Supplement. 1997, 112 (2): 315–390. Bibcode:1997ApJS..112..315H. arXiv:astro-ph/9704107. doi:10.1086/313041.