@inbook{noguera2011,
	title     = {Abstract Approach to Fuzzy Logics},
	author    = {Petr Cintula and  Carles Noguera},
	year      = {2011},
	editor    = {Petr Cintula, Petr Hajek, Carles Noguera},
	publisher = {College Publications},
	booktitle = {Handbook of Mathematical Fuzzy Logic},
	state     = {inpress},
	acknowledged= {1}
}