Gvantseladze, Teimuraz. “Toponyms of Enguri-Gumista Zone on the European Portolan Charts of the Middle Ages”. Yearbook of Kutaisi Ilia Chavchavadze Public Library , vol. 7, Oct. 2015, pp. 68-74, https://yearbook.openjournals.ge/index.php/kly/article/view/3573.