@article {,
	title = {The Significance of Chiripa in Lake Titicaca Basin Developments},
	journal = {Expedition},
	volume = {30},
	number = {3},
	year = {1988},
	pages = {17-26},
	keywords = {Obsidian interregional exchange andes},
	author = {Ch{\'a}vez, Karen Lynne Mohr}
}