@book{2240,
	author = {Spang, Monika and Bougaeva, Sonja },
	title = {El gran bostezo / },
	publisher = {Océano Travesía, },
	year = {2009},
	address = {México : },
	edition = {1a ed.},
	note = {Título original de la obra : Das grosse gõhnen}
}