@book {Posada 1980,
	title = {Maestro Bruno, padre de monjes},
	year = {1980},
	note = {Zie ook <bib>Posada 1995</bib>},
	pages = {XXII-387},
	address = {Madrid},
	keywords = {biographiae, Bruno Cartusiensis (biographia)},
	author = {Posada, Gerardo}
}
