Age and mass of solar twins constrained by lithium abundanceJ. D. do Nascimento, M. Castro, J. Meléndez, M. Bazot, S. Théado, G. F. Porto de Mello and J. R. De MedeirosA&A, 501 2 (2009) 687-694DOI: https://doi.org/10.1051/0004-6361/200911935