@book{23923,
	author = {Schwan, Alexander, and Villanueva, Luis F.,},
	title = {El arte de envejecer y mantenerse sano /},
	publisher = {Mediterráneo,},
	year = {1974.},
	series = {EDIME},
	address = {Madrid :},
	edition = {2a ed.},
	note = {Incluye notas al pie de las páginas.}
}