@book{3264,
	author = {Barbian, Jan-Pieter},
	title = {Die Entdeckung des Ruhrgebietes :},
	publisher = {Klartext-Verl.},
	year = {1997},
	address = {Essen},
	edition = {1. Aufl.},
	url = {https://d-nb.info/950063452/04}
}