@article{13693,
      author       = "Vieira, R. and Toro, C.de and Camacho, A.G. and
                      6.Nár.sem.geod a geofyz. Madrid, 1988",
      title        = "Investigaciones en mareas  ",
      year         = "1988",
      note         = "Obr. a tab. v textu. - Liter",
}