@book{38236,
	author = {United States.},
	title = {A medical survey of the bituminous-coal industry.},
	publisher = {[U.S. Govt. Print. Off.]},
	year = {1947.},
	address = {Washington},
	note = {"The coal miner and his family. Supplement to the report": 1 l., 67 p.}
}