@book{413695,
	author = {Chalvin, Marie-Joseph and Chalvin, Marc},
	title = {Deux cerveaux pour la classe},
	editor = {Impr. Corlet},
	publisher = {Nathan},
	year = {1993},
	series = {Outils pour la classe},
	address = {[Paris]},
	url = {http://gallica.bnf.fr/ark:/12148/bpt6k852267q}
}