MICHALAK, Bartosz. Międzyrzecz Fortified Region (Festungfront Oder-Warthe-Bogen) – in anticipation of adaptations and modernizations. Budownictwo i Architektura, [S. l.], v. 17, n. 1, p. 021–028, 2018. DOI: 10.24358/Bud-Arch_18_171_03. Disponível em: https://ph.pollub.pl/index.php/bia/article/view/400. Acesso em: 22 jul. 2024.