The bematikion in the 6/7th c. Narration of the Abbots John and Sophronius (BHGNA 1438w). An Exercise in Comparative Liturgy
Taft, R. F., "The bematikion in the 6/7th c. Narration of the Abbots John and Sophronius (BHGNA 1438w). An Exercise in Comparative Liturgy", in: Crossroad of Cultures. Studies in Liturgy and Patristics in Honor of Gabriele Winkler, edited by Feulner, H. J., Velkovska, E. and Taft, R. F., Rome, 2000: 675-692.