@book{10607977,
	author = {Timofejeff, W.},
	title = {Die Chalcedone der Insel Suisari},
	year = {1911},
	series = {Tiré des Travaux de la Soc. Imp. des Natural. de St.Pétersbourg},
	address = {С.-Петербург},
	note = {Mit Tafel IX}
}