Il "Dialogus de musica" (Forum, 2007)
Incl. apparatus of variants, translation, comparative table of chants cited in the mss. transcribed in modern notation. - First Italian ed. of medieval treatise of musical theory based on the collation of four 12th-13th cent. mss. which formed the basis of the only printed ed.,1784. - With facing Latin text. - Intr. by the ed., bibl., bibl. refs., notes