@article {,
	title = {Evidence for early long-distance obsidian exchange and watercraft use from the southern Lake Titicaca Basin of Bolivia and Peru},
	journal = {Latin American Antiquity},
	volume = {13},
	number = {4},
	year = {2002},
	note = {Andes Geog},
	pages = {444-454},
	author = {Stanish, Charles and Richard L. Burger and Cipolla, Lisa M. and Michael D. Glascock and Esteban Quelima}
}