@book{183103,
	author = {Pasternak, Boris Leonidovich. and Bubnova, Tatiana.},
	title = {Cartas del verano de 1926 /},
	publisher = {Mondadori,},
	year = {[1993]},
	series = {El espejo de tinta. Serie Vidas privadas},
	address = {Barcelona :}
}