@inproceedings{507,
  title = {A Heterogeneous Multi-criteria Hierarchical Evaluation Model For Web site Services},
  author = {Luis Martínez and Luis Gonzaga Pérez and Pedro J. Sanchez and Beatriz Montes},
  year = {2005},
  publisher = {10th International Conference on Fuzzy Theory and Technology},
  pages = {1577-1580},
  keywords = {congreso_internacional},
}