@book{26181,
	author = {Behrend, Fritz,},
	title = {Die Kupfer- und Schwefelerze von Osteuropa,},
	publisher = {Verlag von B. G. Teubner,},
	year = {1921.},
	series = {Osteuropa-Institut in Breslau. Quellen u. Studien.},
	address = {Leipzig,}
}