Shallow extra mixing in solar twins inferred from Be abundancesM. Tucci Maia, J. Meléndez, M. Castro, M. Asplund, I. Ramírez, T. R. Monroe, J. D. do Nascimento and D. YongA&A, 576 (2015) L10DOI: https://doi.org/10.1051/0004-6361/201425357
