@inproceedings{esteva2009,
	title     = {Fuzzy Description Logics and Triangular Norm Based Fuzzy Logics: adding truth constants to the language},
	author    = {Angel Garcia-Cerdaña and  Eva Armengol and  Francesc Esteva},
	year      = {2009},
	pages     = {891--896},
	month     = {July},
	booktitle = {Proceedings IFSA-EUSFLAT 2009},
	state     = {published},
	acknowledged= {1},
	talk      = {1}
}