@inbook {3858, title = {Aphrahat Demonstration IV, on Prayer}, booktitle = {The Syriac Fathers on Prayer and the Spiritual Life}, year = {1987}, pages = {1-28}, publisher = {Cistercian Publications}, organization = {Cistercian Publications}, address = {Kalamazoo}, keywords = {Aphrahat}, author = {Sebastian P. Brock} }