ΧΑΛΔΑΙΑΚΗΣ Α. Βιβλιοκριτικό δοκίμιο:G. STATHIS, Introduction to Kalophony, the Byzantine Ars Nova; The Anagrammatismoi and Mathēmata of Byzantine Chant; Translated and Revised by K. Terzopoulos; Studies in Eastern Orthodoxy 1; Peter Lang (Bern 2014); Pages 332. ByzSym 2016, 26, 395-418.