Marxer, Wilfried; Pállinger, Zoltán Tibor (2011): Direct Democracy at the local level: a comparison of eight municipalities from four countries around Lake Constance (Austria, Germany, Liechtenstein, Switzerland). In: Theo Schiller (Hg.): Local Direct Democracy in Europe. Wiesbaden: VS Verlag für Sozialwissenschaften (Direct Democracy in Modern Europe, 2), S. 157–169.