@article{SchorckChristliebCohenetal.2009,
  author    = {Torben Schorck and Norbert Christlieb and Judy G. Cohen and Timothy C. Beers and Steve Shectman and Ian Thompson and Andrew McWilliam and Michael S. Bessell and John E. Norris and Jorge Mel{\´e}ndez and Solange Ram{\"i}rez and D. Haynes and Paul Cass and Malcolm Hartley and Ken Russell and Fred Watson and Franz-Josef Zickgraf and Berit Behnke and Cora Fechner and Birgit Fuhrmeister and Paul S. Barklem and Bengt Edvardsson and Anna Frebel and Lutz Wisotzki and Dieter Reimers},
  title     = {The stellar content of the Hamburg/ESO survey : V. the metallicity distribution function of the Galactic halo},
  doi       = {10.1051/0004-6361/200810925},
  url       = {http://www.aanda.org/},
  year      = {2009},
}