KIRPIČNIKIV, A. Die Feldschlacht in Altrussland (IX-XIII Jh.). Gladius, [S. l.], v. 9, p. 31–51, 1970. DOI: 10.3989/gladius.1970.168. Disponível em: https://gladius.revistas.csic.es/index.php/gladius/article/view/168. Acesso em: 28 mar. 2024.