@book{230891,
	author = {Hildreth, Wes. and Fierstein, Judy.},
	title = {The Novarupta-Katmai eruption of 1912, largest eruption of the twentieth century},
	publisher = {U.S. Dept. of the Interior, U.S. Geological Survey},
	year = {2012.},
	series = {Professional paper},
	address = {Reston, Va.}
}