@book{12480,
	author = {Ballard, Arthur },
	title = {Faith with a pick and shovel},
	publisher = {Paternoster Press, },
	year = {1950},
	address = {London : },
	edition = {1 ed.},
	note = {Estudios de pruebas de la existencia de Dios en la naturaleza y el hombre}
}