@book{ 0-023335319, title = {Widerstand im Dritten Reich: ein Überblick}, series = {Beck'sche schwarze Reihe}, author = {Roon, Ger van}, editor = {Roon, Ger van}, address = {München}, publisher = {Beck}, year = {1979}, isbn = {3406067913}, language = {German}, language = {Dutch}, url = {https://katalog.bibliothek.tu-chemnitz.de/Record/0-023335319} }