1. Baader, F., Calvanese, D., McGuinness, D., Nardi, D., Patel-Schneider, P.F.: The Description Logic Handbook: Theory, Implementation, and Applications. Cambridge University Press (2003)
2. Baader, F., Peñaloza, R.: Are fuzzy description logics with general concept inclusion axioms decidable? In: Proc. of the 2011 IEEE Int. Conf. on Fuzzy Systems (FUZZ-IEEE 2011), pp. 1735–1742. IEEE Press (2011)
3. Baader, F., Peñaloza, R.: GCIs make reasoning in fuzzy DLs with the product t-norm undecidable. In: Rosati, R., Rudolph, S., Zakharyaschev, M. (eds.) Proc. of the 24th Int. Workshop on Description Logics (DL 2011), Barcelona, Spain. CEUR Workshop Proceedings, vol. 745 (2011)
4. Lecture Notes in Artificial Intelligence;F. Baader,2011
5. Bobillo, F., Bou, F., Straccia, U.: On the failure of the finite model property in some fuzzy description logics. Fuzzy Sets and Systems 172(23), 1–12 (2011)