@book{992,
	author = {Hempel, Carl Gustav,  and Gallo, M. Frassinete de, },
	title = {La explicación científica :},
	publisher = {Paidós, },
	year = {1979},
	series = {Biblioteca de Filosofía. Serie Mayor ;},
	address = {Buenos Aires, Arg. :},
	note = {Título original: Aspects of scientific explanation and other essays in the philosophy of science}
}