@incollection{24,
  title = {Aplying a Semantic Hypermedia Model to Adaptive Concept Maps in Education},
  author = {F Molina and Nuria Medina-Medina and Lina García-Cabrera},
  year = {2007},
  pages = {384-391},
  url = {http://www.springerlink.com/content/762280k872k81048/fulltext.pdf},
  keywords = {incollection},
}