Evolution of lithium abundance in the Sun and solar twins F. Thévenin, A. V. Oreshina, V. A. Baturin, A. B. Gorshkov, P. Morel and J. Provost A&A, 598 (2017) A64 Published online: 01 February 2017 DOI: 10.1051/0004-6361/201629385