@book{36289,
	author = {National Joint Steamfitting Apprenticeship Committee. and United States.},
	title = {National standards for steamfitting apprenticeship including suggestions for putting national standards into operation in local communities.},
	publisher = {U.S. Govt. Print. Off.,},
	year = {1939.},
	series = {[U.S. Dept. of Labor. Division of Labor Standards] Bulletin},
	address = {Washington,},
	note = {At head of title: United States Dept. of Labor ... Division of Labor Standards.}
}