@incollection{20,
  author = {Enrique Herrera-Viedma and Carlos Porcel and A.G López and S Alonso},
  title = {A Fuzzy Linguistic Recommender System To Advice Research Resources in University Digital Libraries},
  year = {2008},
  volume = {220},
  pages = {567-585},
  publisher = {Springer-Verlag},
  url = {http://www.springerlink.com/content/07864r768lu25v14/fulltext.pdf},
}