ŁACH, Wiesław Bolesław. Experiences and conclusions from the military use of the Great Masurian Lakes area in the 20th century. In: JARNO, Witold; KITA, Jarosław (eds.). Armia kontra natura. Faces of warPoland: Lodz University Press,2020. v. 1p. 155–171. DOI: 10.18778/8220-055-3.11. Disponível em: https://press.uni.lodz.pl/index.php/wul/catalog/book/244/chapter/582. Acesso em: 14 feb. 2026.