@congreso_internacional{514,
  author = {Enrique Herrera-Viedma and A.G López and Carlos Porcel},
  title = {A New Model of Linguistic Weighted Information Retrieval System},
  year = {2005},
  pages = {576-581},
  month = {September 7-9th},
  publisher = {Joint EUSFLAT-LFA (IV EUSFLAT and XI LFA)},
  address = {Barcelona (Spain)},
}