S. P. Brock,
“Invocations to/for the Holy Spirit in Syriac Liturgical Texts: Some Comparative Approaches”, in
Comparative Liturgy Fifty Years after Anton Baumstark (1872-1948),
R. F. Taft and Winkler, G., Eds. Roma: Pontificio Istituto Orientale, 2001, pp. 377–406.
