@book{1919,
	author = {Knackfuss, H. 1848-1915. (Hermann),},
	title = {Raffael /},
	publisher = {Velhagen & Klasing},
	year = {1895},
	series = {Künstler - Monographien ; 1},
	address = {Bielefeld und Leipzig :},
	edition = {3 aufl.}
}