@article{Martayan:1980,
      author        = "Martayan, C. and  Floquet, M. and  Hubert, A. M. and 
                       Neiner, C. and  Frémat, Y. and  Baade, D. and  Fabregat,
                       J.",
      title         = "{Early-type objects in NGC 6611 and the Eagle Nebula}",
      year          = "2008",
}