@INBOOK{AI2007b,
  AUTHOR =       {Almendros, J. and Iribarne, L.},
  editor =       {Fernado Ferri},
  TITLE =        {Visual Languages for Interactive Computing: Definitions and Formalization},
  CHAPTER =      {User Interaction and Iterface Design with {UML}},
  PUBLISHER =    {Idea Group Inc. Hersey, U.S.A.},
  YEAR =         {2007},
  pages =        {328--356},
}