On the origin of stars with and without planets - Tc trends and clues to Galactic evolutionV. Zh. Adibekyan, J. I. González Hernández, E. Delgado Mena, S. G. Sousa, N. C. Santos, G. Israelian, P. Figueira and S. Bertran de LisA&A, 564 (2014) L15DOI: https://doi.org/10.1051/0004-6361/201423435