do Nascimento, J. D., Jr.; Canto Martins, B. L.; Melo, C. H. F.; Porto De Mello, G.; De Medeiros, J. R. (2003). "On the link between rotation, chromospheric activity and Li abundance in subgiant stars". Astronomy and Astrophysics. 405 (2): 723. arXiv:astro-ph/0307196. Bibcode:2003A&A...405..723D. doi:10.1051/0004-6361:20030633.
do Nascimento, J. D., Jr.; Canto Martins, B. L.; Melo, C. H. F.; Porto De Mello, G.; De Medeiros, J. R. (2003). "On the link between rotation, chromospheric activity and Li abundance in subgiant stars". Astronomy and Astrophysics. 405 (2): 723. arXiv:astro-ph/0307196. Bibcode:2003A&A...405..723D. doi:10.1051/0004-6361:20030633.
Høg, E.; Fabricius, C.; Makarov, V. V.; Urban, S.; Corbin, T.; Wycoff, G.; Bastian, U.; Schwekendiek, P.; Wicenec, A. (March 2000). "The Tycho-2 catalogue of the 2.5 million brightest stars". Astronomy and Astrophysics. 355: L27 –L30. Bibcode:2000A&A...355L..27H. ISSN0004-6361.
do Nascimento, J. D., Jr.; Canto Martins, B. L.; Melo, C. H. F.; Porto De Mello, G.; De Medeiros, J. R. (2003). "On the link between rotation, chromospheric activity and Li abundance in subgiant stars". Astronomy and Astrophysics. 405 (2): 723. arXiv:astro-ph/0307196. Bibcode:2003A&A...405..723D. doi:10.1051/0004-6361:20030633.