@book{34289,
	author = {Sauer, Karl Marquand, and Röhrich, Wilhelm},
	title = {Schlüssel zur Spanischen Konversations-Grammatik /},
	publisher = {Julius Groos,},
	year = {1896},
	address = {Heidelberg :},
	edition = {2. Aufl.},
	note = {Precedeix el tít.: "Methode Gaspen-Otto-Sauer"}
}