@book{35909,
	author = {National Bureau of Casualty and Surety Underwriters. and International Association of Industrial Accident Boards and Commissions.},
	title = {Safety code for mechanical power-transmission apparatus.},
	publisher = {Govt. Print. Off.,},
	year = {1928.},
	series = {Bulletin of the United States Bureau of Labor Statistics,},
	address = {Washington,},
	note = {At head of title: U.S. Department of Labor. James J. Davis, secretary. Bureau of Labor Statistics. Ethelbert Stewart, commissioner.}
}