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@TECHREPORT{,
       author = {Fernández-Madrigal, Juan-Antonio and Galindo, Cipriano and Cruz-Martín, Ana and Gonzalez-Jimenez, Javier},
        month = may,
        title = {The H Metalanguage and the H Tools},
         year = {2007},
  institution = {System Engineering and Automation Dpt. - University of MÃ¡laga (Spain)}
}