GRAD, P. German fortifications of Tomaszów Mazowiecki and the surrounding area. Types and kinds of shelters. Acta Universitatis Lodziensis. Folia Germanica, [S. l.], n. 15, p. 45–66, 2020. DOI: 10.18778/1427-9665.15.04. Disponível em: https://czasopisma.uni.lodz.pl/germanica/article/view/11384. Acesso em: 19 apr. 2024.