@inproceedings{tp3655,
  title = {A Hierarchical Ordinal Model for Managing Unbalanced Linguistic Term Sets based on the Linguistic 2-tuple model},
  author = {Francisco Herrera and Enrique Herrera-Viedma and Luis Martínez},
  year = {2001},
  publisher = {Eurofuse Workshop on Preference Modelling and Applications},
  pages = {201-206},
  keywords = {congreso_internacional},
}