@InProceedings{OteroECAI2004,
  author = 	 "A. Otero and P. F\'{e}lix and S. Barro",
  title = 	 "{MFTP}: a model to represent hierarchies of abstraction defined over multiple parameters",
  booktitle = 	 "ECAI Workshop on Spatial and Temporal Reasoning",
  year = 	 "2004",
  pages = 	 "95-100",
}