@article{VanCamp:4251,
      author        = "Van Camp, M. and Hinzen, K.-G. and Camelbeeck, T. and
                       Fleischer, C.  and Castelein, S. and Frederick, B. and
                       Caudron, C.",
      title         = "{Repeated gravity measurements across the Rhenish massif}",
      month         = "Jul",
      year          = "2019",
      note          = "Invited a paid by DFG",
}