@inbook {,
	title = {Trends in Early Non-local Obsidian Artifacts from the Rio Ilave Viewed from Surface Survey and Late Archaic Excavations},
	booktitle = {Advances in Titicaca Basin Archaeology-2},
	publisher = {Cotsen Institute of Archaeology at UCLA},
	organization = {Cotsen Institute of Archaeology at UCLA},
	address = {Los Angeles, Calif.},
	author = {Craig, Nathan M. and Aldenderfer, Mark},
	editor = {Stanish, Charles and Klarich, Elizabeth A.}
}