@book{76794,
	author = {Gulik, Robert van. and Peralta, Mª Angeles.},
	title = {La perla del emperador / },
	publisher = {Barral, },
	year = {1973.},
	series = {Serie negra. 24. Policial ; },
	address = {Barcelona : },
	edition = {[1ª ed.].}
}