@book {9783784123943, 
	title = "Die Bürgerschaftlichkeit unserer Städte",
	author = "Hummel, Konrad",
	isbn = "9783784123943",
	keywords = "Engagement, Kommunen, Bürgerschaft",
	url = "http://www.content-select.com/index.php?id=bib_view&ean=9783784123943",
	url = "https://content-select.com/de/portal/media/view/51a775b4-c06c-41cc-a274-73a0bc5d09ee",
	publisher = "Lambertus Verlag",
	language = "ger",
}