@book{27552,
	author = {Piper, Ronald A.},
	title = {The gospel behind the Gospels :},
	publisher = {E.J. Brill,},
	year = {1995.},
	series = {Supplements to Novum Testamentum,},
	address = {Leiden ;},
	url = {http://dx.doi.org/10.1163/9789004267091}
}