Collet, R. Stellar Astrophysics, MPI for Astrophysics, Max Planck Society;
Hosford, A., García Pérez, A. E., Collet, R., Ryan, S. G., Norris, J. E., & Olive, K. A. (2010). Lithium abundances of halo dwarfs based on excitation temperatures - II. Non-local thermodynamic equilibrium. Astronomy & Astrophysics, 511: A47, pp. 1-12. doi:10.1051/0004-6361/200913693.