@book{27639,
	author = {Short, Maxwell Naylor,},
	title = {Microscopic determination of the ore minerals,},
	publisher = {U.S. Govt. print. off.,},
	year = {1940.},
	series = {U.S. Geological survey. Bulletin 914},
	address = {Washington,},
	edition = {Second edition.},
	note = {At head of title: United States Department of the interior.}
}