KOLOS, O.; DEMIDCHYK, F. Some methodical approaches to the military-economic assessment of fortification equipment of positions, areas of substitutes. Military Technical Collection, [S. l.], n. 23, p. 22–26, 2020. DOI: 10.33577/2312-4458.23.2020.22-26. Disponível em: http://vtz.asv.gov.ua/article/view/217338. Acesso em: 9 mar. 2022.