@book{28191,
	title = {Horizonte - Geschichte, Gymnasium Berlin, Brandenburg},
	publisher = {Westermannm},
	year = {2018},
	address = {Braunschweig :},
	edition = {Druck A¹},
	url = {http://deposit.dnb.de/cgi-bin/dokserv?id=aad8c898bf03407dbfbe05bbcee9cab5&prov=M&dok_var=1&dok_ext=htm}
}