@phdthesis{ElKenawyElSayed:9700,
      author       = "Vicente Serrano, Sergio Martín and López Moreno, Juan
                      Ignacio and El Kenawy El Sayed, Ahmed Mohammed Hussain",
      title        = "Spatio-temporal variability of surface air temperature in
                      northeastern Spain",
      school       = "Zaragoza, Universidad de Zaragoza",
      address      = "Zaragoza",
      month        = "Ago",
      year         = "2012",
      note         = "Presentado:  19 09 2012",
}