@book {1998,
	title = {Le nouveau Tr{\'e}sor de la Cath{\'e}drale de Li{\`e}ge},
	series = {Feuillets de la Cath{\'e}drale de Li{\`e}ge},
	volume = {39-41},
	year = {1998},
	pages = {23},
	publisher = {Tr{\'e}sor de la Cath{\'e}drale de Li{\`e}ge},
	organization = {Tr{\'e}sor de la Cath{\'e}drale de Li{\`e}ge},
	address = {Li{\`e}ge},
	issn = {geen ISBN},
	author = {Pirenne, Fran{\c c}oise and George, Philippe}
}
