Language and Automata Theory and Applications - Adrian-Horia Dediu, Carlos MartÃn-Vide, JosÃ©-Luis Sierra-RodrÃguez, Bianca Truthe; Dediu, Adrian Horia; Martín-Vide, Carlos; Sierra-Rodríguez, José-Luis; Truthe, Bianca (Springer International Publishing, 2014)