@book{91403,
	author = {Gerhardsson, Birger.},
	title = {Prehistoria de los Evangelios},
	publisher = {Editorial Sal Terrae},
	year = {1980.},
	series = {Coleccion Presencia Teologica},
	address = {Santander, Spain},
	note = {Translation of: The origins of the Gospel traditions.}
}