RT Article T1 Eidos, idea, and hylē on the altar: Philoponos on the matter of the eucharist JF Ostkirchliche Studien VO 59 IS 2 SP 317 OP 327 A1 MacCoull, Leslie S. B. 1945-2015 LA English PB Echter YR 2010 UL https://www.ixtheo.de/Record/1646341902