@book{27572,
	author = {Smith, Philip S.},
	title = {Areal geology of Alaska,},
	publisher = {U.S. Govt. print. off.,},
	year = {1939.},
	series = {United States. Geological survey. Professional paper 192},
	address = {Washington,},
	note = {At head of title: United States Department of the interior ... Geological  survey.}
}