@ARTICLE{her2009,
  AUTHOR =       {F. Herrera and S. Alonso and F. Chiclana and E. Herrera-Viedma },
  TITLE =        {Computing With Words in Decision Making: Foundations, Trends and Prospects},
  JOURNAL =      {Fuzzy Optimization and Decision Making},
  YEAR =         {2009},
  volume =       {8},
  number =       {4},
  pages =        {337--364},
}