@book{234093,
	author = {International Labour Office.},
	title = {Guidelines for the use of the ILO international classification of radiographs of pneumoconioses},
	publisher = {International Labour Office,},
	year = {2011.},
	series = {Occupational safety and health series ;},
	address = {Geneva :},
	edition = {Rev. ed.},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10531014}
}