@article{Puy:89685,
      author        = "Puy, Arnald and Herzog, Manuel and Escriche, Pedro and
                       Marouche, Amou and Oubana, Yousef and Bubenzer, Olaf",
      title         = "{Detection of sand encroachment patterns in desert oases.
                       The case of Erg Chebbi (Morocco)}",
      year          = "2018",
}