@book{742,
	author = {Grotjahn, Rüdiger and Kleppin, Karin},
	title = {DLL 07: Prüfen, Testen, Evaluieren},
	publisher = {Goethe-Institut e.V,},
	year = {2015},
	address = {München : },
	edition = {1.Auflage},
	url = {https://www.goethe.de/de/spr/unt/dll.html}
}