K. Levy's ‘The Trisagion in Byzantium and the West’

[Γεώργιος Σάββας]

Would any member happen to perhaps have an electronic copy of
K. Levy: ‘The Trisagion in Byzantium and the West’, IMSCR SM , 14 (1972), XI: Copenhagen 1972, 761–5?
Many thanks in advance.