@book{4741,
	author = {Bachelard, Gastón},
	title = {la formación del espíritu científico  :},
	publisher = {Siglo veintiuno argentina},
	year = {1972},
	address = {Buenos Aires},
	edition = {2a ed},
	note = {Trad. José Babini. Colección Pérez Amuchástegui}
}