@article{Martayan:2823,
      author        = "Martayan, C. and  Baade, D. and  Zorec, J. and  Frémat,
                       Y. and  Fabregat, J. and  Ekström, S.",
      title         = "{Massive Oe/Be stars at low metallicity: candidate
                       progenitors of long GRBs?}",
      year          = "2011",
}