@book{219870,
	author = {United States},
	title = {Sodium hydrosulfide},
	publisher = {U.S. Chemical Safety and Hazard Investigation Board},
	year = {[2004]},
	series = {Safety bulletin / U.S. Chemical Safety and Hazard Investigation Board},
	address = {[Washington, DC]},
	edition = {Reprinted.},
	note = {Title from title screen (viewed on April 7, 2006).},
	url = {http://purl.access.gpo.gov/GPO/LPS68603}
}