@book{49743,
	author = {Gell-Mann, Murray and García, Ambrosio},
	title = {El quark y el jaguar  aventuras en lo simple y lo complejo},
	publisher = {Tusquets Editores},
	year = {2003},
	series = {Metatemas.},
	address = {Barcelona (España)},
	edition = {4a. ed.}
}