@book{2527,
	author = {Ballantyne, Bryan., and Schwabe, Paul H., and British Occupational Hygiene Society.},
	title = {Respiratory protection :},
	publisher = {Chapman and Hall,},
	year = {�1981.},
	address = {London ;},
	edition = {1st ed.},
	note = {Based on a symposium held jointly between the Royal Society of Medicine, the British Occupational Hygiene Society, and the Chemical Defence Establishment in 1980.}
}