Bläsing, Uwe (2017), chapter Ortsnamen aus Artvin : ართვინის ტოპონიმიკა : Sprachlich-kulturelle Berührungen an der türkisch-georgischen Grenze, in M. Németh et al., editors, Essays in the History of Languages and Linguistics: Dedicated to Marek Stachowski on the Occasion of His 60th Birthday[1], Kraków: Księgarnia Akademicka