@book{180913,
	author = {United Nations Industrial Development Organization.},
	title = {Information sources on the iron and steel industry /},
	publisher = {United Nations,},
	year = {1977.},
	series = {UNIDO guides to information sources ; no. 26},
	address = {New York :},
	note = {Introductory material in English, French, Russian, and Spanish.}
}