@incollection{43, author = {Francisco Herrera and Enrique Herrera-Viedma and Luis Martínez}, title = {Representation Model for Aggregating Linguistic Information: Issues and Analisys}, year = {2002}, volume = {97}, pages = {245-260}, publisher = {Springer}, url = {http://portal.acm.org/citation.cfm?id=774566$\#$abstract}, }