Ascensión del Olmo; J. Jesús González; Deborah Dultzin Kessler; Francisco J. Hernández-Ibarra; Yair Krongold; Jaime Perea (iulie 2013). „Nuclear activity in isolated galaxies”. Monthly Notices of the Royal Astronomical Society (în engleză). 434 (1): 336–346. arXiv:1206.6777. Bibcode:2013MNRAS.434..336H. doi:10.1093/MNRAS/STT1021. WikidataQ60522313.
Ascensión del Olmo; J. Jesús González; Deborah Dultzin Kessler; Francisco J. Hernández-Ibarra; Yair Krongold; Jaime Perea (iulie 2013). „Nuclear activity in isolated galaxies”. Monthly Notices of the Royal Astronomical Society (în engleză). 434 (1): 336–346. arXiv:1206.6777. Bibcode:2013MNRAS.434..336H. doi:10.1093/MNRAS/STT1021. WikidataQ60522313.
Jennifer K. Adelman-McCarthy; et al. (). „The SDSS Photometric Catalog, Release 7”. VizieR Online Data Catalog. 2294: 0. Bibcode:2009yCat.2294....0A. WikidataQ66371791.Mentenanță CS1: Utilizare explicită a lui et al. (link)
Ascensión del Olmo; J. Jesús González; Deborah Dultzin Kessler; Francisco J. Hernández-Ibarra; Yair Krongold; Jaime Perea (iulie 2013). „Nuclear activity in isolated galaxies”. Monthly Notices of the Royal Astronomical Society (în engleză). 434 (1): 336–346. arXiv:1206.6777. Bibcode:2013MNRAS.434..336H. doi:10.1093/MNRAS/STT1021. WikidataQ60522313.
Jennifer K. Adelman-McCarthy; et al. (). „The SDSS Photometric Catalog, Release 7”. VizieR Online Data Catalog. 2294: 0. Bibcode:2009yCat.2294....0A. WikidataQ66371791.Mentenanță CS1: Utilizare explicită a lui et al. (link)
Ascensión del Olmo; J. Jesús González; Deborah Dultzin Kessler; Francisco J. Hernández-Ibarra; Yair Krongold; Jaime Perea (iulie 2013). „Nuclear activity in isolated galaxies”. Monthly Notices of the Royal Astronomical Society (în engleză). 434 (1): 336–346. arXiv:1206.6777. Bibcode:2013MNRAS.434..336H. doi:10.1093/MNRAS/STT1021. WikidataQ60522313.