@book{121470,
	author = {Library of Congress. and Library of Congress.},
	title = {Classification. Class U : Military science /},
	publisher = {Library of Congress,},
	year = {1974.},
	address = {Washington : },
	edition = {4th ed.},
	note = {First ed. published in 1910 by the Classification Division of the Library of Congress.}
}