@article{Lefever:5921,
      author        = "Lefever, K. and Pham, L.B.S. and Neefs, E. and Dehant, V. 
                       and Van Hove, B. and Somers, T. ",
      title         = "{ExoMars 2016 arrives at destination}",
      month         = "Oct",
      year          = "2016",
}