VOITOVYCH, L. .; KRYVYZIUK , L. . EVOLUTION OF EUROPEAN FORTIFICATION IN 1850 – 1914. EAST EUROPEAN HISTORICAL BULLETIN, [S. l.], n. 25, p. 80–91, 2022. DOI: 10.24919/2519-058X.25.269539. Disponível em: http://eehb.dspu.edu.ua/article/view/269539. Acesso em: 27 jul. 2024.