@book{18099,
	author = {Ratzinger, Joseph.},
	title = {Introduction to Christianity /},
	publisher = {Burns & Oates,},
	year = {1969.},
	address = {London :},
	note = {Originally published as Einf|hrung in das Christentum. M|nchen (Munich), K|sel Verlag, 1968.}
}