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Thilker, David A.; Bianchi, Luciana; Schiminovich, David; Gil de Paz, Armando; etal. (2010). "NGC 404: A Rejuvenated Lenticular Galaxy on a Merger-induced, Blueward Excursion Into the Green Valley". The Astrophysical Journal Letters. 714 (1): L171–L175. arXiv:1003.4985. Bibcode:2010ApJ...714L.171T. doi:10.1088/2041-8205/714/1/L171. S2CID51511487.
Thilker, David A.; Bianchi, Luciana; Schiminovich, David; Gil de Paz, Armando; etal. (2010). "NGC 404: A Rejuvenated Lenticular Galaxy on a Merger-induced, Blueward Excursion Into the Green Valley". The Astrophysical Journal Letters. 714 (1): L171–L175. arXiv:1003.4985. Bibcode:2010ApJ...714L.171T. doi:10.1088/2041-8205/714/1/L171. S2CID51511487.
Thilker, David A.; Bianchi, Luciana; Schiminovich, David; Gil de Paz, Armando; etal. (2010). "NGC 404: A Rejuvenated Lenticular Galaxy on a Merger-induced, Blueward Excursion Into the Green Valley". The Astrophysical Journal Letters. 714 (1): L171–L175. arXiv:1003.4985. Bibcode:2010ApJ...714L.171T. doi:10.1088/2041-8205/714/1/L171. S2CID51511487.
Thilker, David A.; Bianchi, Luciana; Schiminovich, David; Gil de Paz, Armando; etal. (2010). "NGC 404: A Rejuvenated Lenticular Galaxy on a Merger-induced, Blueward Excursion Into the Green Valley". The Astrophysical Journal Letters. 714 (1): L171–L175. arXiv:1003.4985. Bibcode:2010ApJ...714L.171T. doi:10.1088/2041-8205/714/1/L171. S2CID51511487.