@book{224322,
	author = {Barnes, Jonathan. and Martín López, Eugenia},
	title = {Los presocráticos},
	publisher = {Cátedra},
	year = {2000.},
	series = {Colección Teorema},
	address = {Madrid},
	edition = {2a.ed.},
	note = {Translation of: The Presocratic Philosophers.}
}