@book{143104,
	author = {Munro, Alice, 1931-},
	title = {Radicales libres},
	year = {nov. 2013},
	address = {Quito},
	url = {http://bibliotecas.unileon.es/tULEctura/files/2014/04/Radicales-libres.-Alice-Munro.pdf}
}