@book{383101,
	author = {INTERNATIONAL UNION OF PURE AND APPLIED CHEMISTRY, Toxicology and Industrial Hygiene Division. Applied Chemistry Section},
	title = {Methods for the determination of toxic substances in air},
	publisher = {Butterworths},
	year = {1959},
	address = {London},
	note = {Publicação em folhas móveis actualizáveis.}
}