A. J. Korn (1), F. Grundahl (2), O. Richard (3), P.S. Barklem (1), L. Mashonkina (4), R. Collet (1), N. Piskunov (1), B. Gustafsson (1) ((1) Department of Astronomy and Space Physics, Uppsala University, Sweden; (2) Department of Physics and Astronomy, University of Aarhus, Aarhus, Denmark; (3) 3GRAAL-UMR5024/ISTEEM (CNRS), Universite Montpellier II, Montpellier, France; (4) Institute of Astronomy, Russian Academy of Science, Moscow, Russia)
