@article{Gutiérrez:86431,
      author        = "Gutiérrez, F. and Fabregat, I. and Roqué, C. and
                       Carbonel, D. and Zarroca, M. and Linares, R. and Yechieli,
                       Y. and García-Arnay, Á. and Sevil, J.",
      title         = "{Sinkholes in hypogene versus epigene karst systems,
                       illustrated with the hypogene gypsum karst of the Sant
                       Miquel de Campmajor Valley, NE Spain}",
      year          = "2019",
}