@article{Bruyninx:3829,
      author        = "Bruyninx, C. and Legrand, J. and Fabian, A. and EPOS, GNSS
                       team",
      title         = "{EPOS-IP Deliverable D10.4 Report on Use Cases,
                       Requirements, Metadata and Interoperability of WP10}",
      year          = "2018",
}