@booklet {,
	title = {The Effects of Fire and Heat on Obsidian},
	year = {2002},
	publisher = {Cultural Resources Publication, Anthropology - Fire History. U.S. Department of the Interior},
	address = {Bureau of Land Management},
	author = {Lloyd, Janine M. and Origer, T. M. and Fredrickson, D. A.}
}