@book { ZivilcourageundWiderstandimNationalsozialismus, title = "Zivilcourage und Widerstand im Nationalsozialismus", author = "Lennart {Laberenz}", year = "2008", publisher = "GRIN Verlag", address = "München, Germany", doi = "10.3239/9783640138609", url = "https://www.hausarbeiten.de/document/113456" }