@incollection{41,
  title = {Combining Heterogeneous Information in Group Decision Making},
  author = {Francisco Herrera and Enrique Herrera-Viedma and Luis Martínez and Pedro J. Sanchez},
  year = {2003},
  publisher = {Elsevier},
  pages = {-},
  url = {http://www.elsevier.com/wps/find/bookdescription.cws_home/680857/description$#$description},
  keywords = {incollection},
}