Comşa, Eugen. “Les Haches De Silex Dans l’aire Culturelle Gumelnitza Du Sud-Est De La Roumanie”. Balcanica - Annual of the Institute for Balkan Studies, no. XXIII (December 1, 1992): 271–279. Accessed June 30, 2024. https://balcanica.rs/index.php/journal/article/view/834.