Atomic diffusion and mixing in old stars - II. Observations of stars in the globular cluster NGC 6397 with VLT/FLAMES-GIRAFFEK. Lind, A. J. Korn, P. S. Barklem and F. GrundahlA&A, 490 2 (2008) 777-786DOI: https://doi.org/10.1051/0004-6361:200810051
