@article{Calvín:169108,
      author        = "Calvín, P. and Santolaria, P. and Tierz, P. and Muñoz,
                       A. and Casas, A. and Arlegui, L. and Zapata, M. A.",
      title         = "{Y-gRaph: An OpenOffice application to reconstruct
                       paleostress fields from striated faults}",
      year          = "2014",
}