@book{197729,
	author = {Lucretius Carus, Titus. and García Calvo, Agustín.},
	title = {De la naturaleza de las cosas},
	publisher = {Ediciones Cátedra},
	year = {2004.},
	series = {Letras Universales},
	address = {Madrid},
	edition = {5. ed.}
}