@article {,
	title = {Distribution and utilization of obsidian from Lake Van sources between 7500 and 3500 B.C},
	journal = {American Journal of Archaeology},
	volume = {73},
	number = {1},
	year = {1969},
	note = {Source of data: Anthropological Literature, Harvard University},
	pages = {75-77},
	publisher = {Princeton, N.J., 1969},
	keywords = {Turkey--Archaeology--Neolithic, Turkey--Archaeology--Obsidian},
	author = {Wright, Gary A. and Grodus, Adon A.}
}