@book{30439,
	author = {Sheppard, Richard A. and Gude, Arthur J.},
	title = {Distribution and genesis of authigenic silicate minerals in tuffs of Pleistocene Lake Tecopa, Inyo County, California,},
	publisher = {U.S. Govt. Print. Off.,},
	year = {1968.},
	series = {United States. Geological Survey. Professional paper},
	address = {Washington,}
}