P. Bonifacio (1,2,3), P. Molaro (2,3), T. Sivarani (4), R. Cayrel (2), M.Spite (2), F. Spite (2), B. Plez (5), J. Andersen (6,7), B. Barbuy (8), T.C. Beers (4), E. Depagne (9), V. Hill (2), P. Francois (2), B. Nordstrom (6), F. Primas (10) ((1) CIFIST, (2) Observatoire de Paris, (3) INAF - OA Trieste, (4) Michigan State University & JINA, (5) GRAAL, Univ. Montpellier II, (6) The Niels Bohr Institute, (7) Nordic Optical Telescope, (8) Universidade de Sao Paulo, Departamento de Astronomia, (9) European Southern Observatory, Santiago, (10) European Southern Observatory, Garching)
