@book {Pierce 2003,
	title = {Le discernement des esprits},
	series = {Sagesse des Chartreux},
	year = {2003},
	note = {Par un Chartreux: Cyrille Pierce.},
	pages = {168},
	address = {Paris},
	keywords = {discretio spirituum},
	author = {Cyrille Pierce}
}
