@article{Robert:4824,
      author        = "Robert, V. and Pascu, D. and Lainey, V. and Arlot, J.-E.
                       and De Cuyper, J.-P. and Dehant, V. and Thuillot, W.",
      title         = "{New astrometric measurement and reduction of USNO
                       photographic observations of the main Saturnian satellites:
                       1974−1998.}",
      year          = "2016",
}