1. Baader, F., Calvanese, D., McGuinness, D., Nardi, D., Patel-Schneider, P.F. (eds.): The Description Logic Handbook: Theory, Implementation, and Applications. Cambridge University Press, Cambridge (2003)
2. Bobillo, F.: Managing Vagueness in Ontologies. PhD thesis, University of Granada, Spain (2008)
3. Lecture Notes in Computer Science;F. Bobillo,2008
4. Bobillo, F., Delgado, M., Gómez-Romero, J.: DeLorean: A reasoner for fuzzy OWL 1.1. In: Proc. of the 4th International Workshop on Uncertainty Reasoning for the Semantic Web (URSW 2008). CEUR Workshop Proceedings, vol. 423 (2008)
5. Lecture Notes in Computer Science;F. Bobillo,2008