Mamajek, Eric E.; Hillenbrand, Lynne A. (novembro de 2008). «Improved Age Estimation for Solar-Type Dwarfs Using Activity-Rotation Diagnostics». The Astrophysical Journal. 687 (2): 1264–1293. Bibcode:2008ApJ...687.1264M. arXiv:0807.1686. doi:10.1086/591785
Mamajek, Eric E.; Hillenbrand, Lynne A. (novembro de 2008). «Improved Age Estimation for Solar-Type Dwarfs Using Activity-Rotation Diagnostics». The Astrophysical Journal. 687 (2): 1264–1293. Bibcode:2008ApJ...687.1264M. arXiv:0807.1686. doi:10.1086/591785
Mamajek, Eric E.; Hillenbrand, Lynne A. (novembro de 2008). «Improved Age Estimation for Solar-Type Dwarfs Using Activity-Rotation Diagnostics». The Astrophysical Journal. 687 (2): 1264–1293. Bibcode:2008ApJ...687.1264M. arXiv:0807.1686. doi:10.1086/591785