Gvantseladze, Gvantsa. “Toponyms of Gumista-Psow Zone on the European Portolan Charts of the Middle Ages”. Yearbook of Kutaisi Ilia Chavchavadze Public Library 7 (October 20, 2015): 75–81. Accessed April 11, 2026. https://yearbook.openjournals.ge/index.php/kly/article/view/3574.