@book{144002,
	author = {Shipman, Harry L. and Catalá de Alemany, Joaquín.},
	title = {Los agujeros negros, los cuásars y el universo / },
	publisher = {Alhambra, },
	year = {1982.},
	series = {Exedra},
	address = {Madrid : },
	edition = {1ª. ed.}
}