@article{Steffen:4736,
      author        = "Steffen, R. and Legrand, J. and Steffen, H.  and Lidberg,
                       M. and Kenyeres, A.  and Brockmann, E.  and Lutz, S.",
      title         = "{Towards a Deformation Model for Europe using least-square
                       collocation}",
      month         = "May",
      year          = "2019",
}