Constraining planet structure and composition from stellar chemistry: trends in different stellar populationsN. C. Santos, V. Adibekyan, C. Dorn, C. Mordasini, L. Noack, S. C. C. Barros, E. Delgado-Mena, O. Demangeon, J. P. Faria, G. Israelian and S. G. SousaA&A, 608 (2017) A94DOI: https://doi.org/10.1051/0004-6361/201731359