Mathiesen, Robert. „The Characters (Χαρακτῆρες) of the Glagolitic Alphabet: New Light on an Old Puzzle“. Slavistica Vilnensis, t. 65, nr. 2, 2020 m.gruodžio, p. 10-25, https://doi.org/10.15388/SlavViln.2020.65(2).44.