Bun'ei Sato, Hideyuki Izumiura, Eri Toyota, Eiji Kambe, Yoichi Takeda, Seiji Masuda, Masashi Omiya, Daisuke Murata, Yoichi Itoh: A Planetary Companion to the Hyades Giant ε Tauri. In: The Astrophysical Journal. 661. Jahrgang, Nr.1, 2007, S.527–531, doi:10.1086/513503, bibcode:2007ApJ...661..527S (iop.org).
Erika Böhm-Vitense, Kenneth G. Carpenter, Richard D. Robinson: Ultraviolet Emission Lines in BA and Non-BA Giants. In: The Astrophysical Journal. 545. Jahrgang, Nr.2, Dezember 2000, S.992–999, doi:10.1086/317850, bibcode:2000ApJ...545..992B.
Bun'ei Sato, Hideyuki Izumiura, Eri Toyota, Eiji Kambe, Yoichi Takeda, Seiji Masuda, Masashi Omiya, Daisuke Murata, Yoichi Itoh: A Planetary Companion to the Hyades Giant ε Tauri. In: The Astrophysical Journal. 661. Jahrgang, Nr.1, 2007, S.527–531, doi:10.1086/513503, bibcode:2007ApJ...661..527S (iop.org).
Erika Böhm-Vitense, Kenneth G. Carpenter, Richard D. Robinson: Ultraviolet Emission Lines in BA and Non-BA Giants. In: The Astrophysical Journal. 545. Jahrgang, Nr.2, Dezember 2000, S.992–999, doi:10.1086/317850, bibcode:2000ApJ...545..992B.