Dated Greek manuscripts of the thirteenth and fourteenth ...
Alexander Turyn
Bartolomeo Di Salvo, Bollettino della Badia Greca di Grotta- j errata N.S. 14 [ 1960] pp. 60 f.; J0rgen Raasted, Intonation Formulas and Modal Signatures in Byzantine Musical Manuscripts [Monumenta Musicae Byzantinae. Subsidia, vol.