@book{132002,
	author = {Rodríguez Puértolas, Julio. and Alpera, Lluis.},
	title = {Poesía i societat a l'Edat Mitjana },
	publisher = {Moll, },
	year = {1973.},
	series = {Raixa ; },
	address = {Palma de Mallorca : }
}