@book{81738,
	author = {Oficina Internacional del Trabajo},
	title = {Hygiene du travail },
	editor = {Noirebercq et Fenetier)},
	publisher = {[s.n., },
	year = {1931-1933] (},
	address = {Geneve : },
	note = {Precede al tít.: Bureau International du Travail.}
}