@revista_internacional{237,
  keywords = {Computing with Words, information fusion, Linguistic modeling, Linguistic variables},
  author = {Francisco Herrera and Luis Martínez},
  title = {A 2-tuple Fuzzy Linguistic Representation Model for Computing with Words},
  year = {2000},
  journal = {IEEE Transactions on Fuzzy Systems},
  volume = {8},
  number = {6},
  pages = {746-752},
  publisher = {IEEE},
  url = {http://ieeexplore.ieee.org/stamp/stamp.jsp?arnumber=00890332},
}