@article{Dehant:5000,
      author        = "Dehant, Veronique and Mandea, Mioara and Cazenave, Anny
                       and Triana, Santiago Andres and Rekier, Jeremy and Zhu,
                       Ping",
      title         = "{GRACEFUL: Probing the deep Earth interior by synergistic
                       use of observations of the magnetic and gravity fields, and
                       of the rotation of the Earth.}",
      month         = "Dec",
      year          = "2020",
}