@article{Verbeurgt:4254,
      author        = "Verbeurgt, J. and Van Camp, M. and Cornelis, S. and
                       Camelbeeck, T. and De Sloover, L. and Poppe, H. and
                       Declercq, P.-Y. and Voet, P. and Constales, D. and Troch,
                       P. and De Maeyer, P. and De Wulf, A.",
      title         = "{The gravity database for Belgium}",
      year          = "2019",
}