Weiss, A. Stellar Astrophysics, MPI for Astrophysics, Max Planck Society;
Serenelli, A., Weiss, A., Cassisi, S., Salaris, M., & Pietrinferni, A. (2017). The brightness of the red giant branch tip - Theoretical framework, a set of reference models, and predicted observables. Astronomy & Astrophysics, 606:, pp. 1-14. doi:10.1051/0004-6361/201731004.