@book{49540,
	author = {Arias Marsal, Cristina and Estapé i Vilá, Montserrat},
	title = {Disfonía infantil :},
	publisher = {Lexus,},
	year = {2010},
	address = {España :},
	url = {http://biblioteca.unac.edu.co/portadas/50535.jpg}
}