@Book{032236859,
author="Kubach, Hans Erich
and Elbern, Victor H.",
title="fr{\"u}hmittelalterliche Imperium",
series="Kunst der Welt Ser. 2, [14]",
year="1968",
publisher="Holle",
address="Baden-Baden",
note="von Erich Kubach; Victor H. Elbern",
note="Literaturverz. S. 280 - 293",
language="German"
}