Beaton, Roderick. "Digenes Akrites and Modern Greek Folk Song: A Reassessment". Byzantion 51.1 (1981): 22-43.
Reprinted in Roderick Beaton. From Byzantium to Modern Greece: Medieval Texts and their Modern Reception. Variorum Collected Studies Series, CS911. Abingdon, Oxon: Ashgate Publishing, 2008: Ch. VI.