GORYANOVA, S.; STEFANOVA, T. София и Белград. Археологически бисери | Sofia and Belgrade. Archaeological pearls. Bulgarian e-Journal of Archaeology | Българско е-Списание за Археология, [S. l.], v. 10, n. 1, p. 157–165, 2020. Disponível em: https://be-ja.org/index.php/journal/article/view/be-ja-10-1-2020-157-165. Acesso em: 1 jul. 2022.