@book{851,
	author = {Mielke, Heinz-Peter},
	title = {Wandeln über Dächern},
	publisher = {H.-P. Mielke},
	year = {1988},
	address = {[Grefrath]},
	edition = {2. verbesserte Auflage},
	note = {Nebent.: Bedachungsmaterial in Vergangenheit und Gegenwart},
	url = {https://d-nb.info/880812257/04}
}