@book {Boyer d{\textquoteright}Agen 1902,
	title = {Bruno de Cologne et la Grande Chartreuse},
	year = {1902},
	pages = {75},
	address = {Paris},
	keywords = {biographiae, Bruno Cartusiensis (biographia)},
	author = {Augustin Boyer d{\textquoteright}Agen}
}
