IVANOV, V. A.; IVANOVA, M. I. Geographical and political background of Medieval nomads settling in the steppes of Eastern Europe. Chronica, [S. l.], v. 11, p. 18–34, 2011. Disponível em: https://ojs.bibl.u-szeged.hu/index.php/chronica/article/view/10776. Acesso em: 19 máj. 2024.