N. Gheorghiţă, « Byzantine Music Treatises in the Manuscripts Fund in Romania with an Analysis of MS Gr 9 from the National Archives in Drobeta Turnu-Severin », dans G. Wolfram, C. Troelsgard (éd), Tradition and Innovation in Late and Post-Byzantine Liturgical Chant II. Acta of the Congress held at Hernen Castle, the Netherlands (30 October-3 November 2008), Eastern Christian Studies 17, Leuven, Peeters, 2013, p. 59-96