@book{35492,
	author = {Claes, Valère.},
	title = {Le contrat collectif de travail :},
	publisher = {Librairie A. Dewit,},
	year = {1910.},
	address = {Bruxelles :},
	note = {At head of title:  École des sciences politiques et sociales de Louvain.}
}