author        = "Fernandes, R. and Bos, M. and Bruyninx, C. and Crocker, P.
                        and Dousa, J.  and Walpersdorf, A. and Socquet, A. and
                       Avallone, A. and Ganas, A.  and Ionescu, C. and Kenyeres,
                       A. and Ofeigsson, B. and Ozener, H.  and Vergnolle, M. and
                       Lidberg, M.  and Liwosz, T.  and Soehne, W.",
      title         = "{EPOS-GNSS - Current Status of Service and Product
                       Implementation }",
      month         = "Apr",
      year          = "2018",