ALEXANDROV, S.; IVANOV, G.; HRISTOVA, T. BALEY: New Discoveries: Балей: нови открития. Bulgarian e-Journal of Archaeology | Българско е-Списание за Археология, [S. l.], v. 1, n. 1, p. 127–136, 2011. Disponível em: https://be-ja.org/index.php/journal/article/view/be-ja-1-2011-127-136. Acesso em: 3 jul. 2022.