@book{288560,
	author = {United States.},
	title = {Standard industrial classification manual.},
	publisher = {United States Government Printing Office,},
	year = {1941-1942.},
	address = {Washington :},
	note = {The first edition of this manual was issued in processed [mimeographed] form in 1939-40 and not entered in the Monthly Catalog. Certain revisions have been made.}
}