Bender, Melanie. The Dawn of the Invisible : The Reception of the Platonic Doctrine on Beauty in the Christian Middle Ages: Pseudo-Dionysius the Areopagite – Albert the Great – Thomas Aquinas – Nicholas of Cusa. URN: urn:nbn:de:hbz:6-09419535083. URL: http://nbn-resolving.de/urn:nbn:de:hbz:6-09419535083. Datum der Einsichtnahme: 21.04.2014.