E. E. Mamajek; L. A. Hillenbrand. Improved Age Estimation for Solar-Type Dwarfs Using Activity-Rotation Diagnostics. Astrophysical Journal. 2008, 687 (2): 1264. Bibcode:2008ApJ...687.1264M. arXiv:0807.1686. doi:10.1086/591785.Age discussion on page 1284
E. E. Mamajek; L. A. Hillenbrand. Improved Age Estimation for Solar-Type Dwarfs Using Activity-Rotation Diagnostics. Astrophysical Journal. 2008, 687 (2): 1264. Bibcode:2008ApJ...687.1264M. arXiv:0807.1686. doi:10.1086/591785.Age discussion on page 1284
E. E. Mamajek; L. A. Hillenbrand. Improved Age Estimation for Solar-Type Dwarfs Using Activity-Rotation Diagnostics. Astrophysical Journal. 2008, 687 (2): 1264. Bibcode:2008ApJ...687.1264M. arXiv:0807.1686. doi:10.1086/591785.Age discussion on page 1284