Przegiętka M. Arrests and Deportations to Concentration Camps from the Territories Incorporated into the Third Reich in April and May 1940. An Attempt to Estimate the Scale of the Intelligenzaktion. DN [Internet]. 2022 May 2 [cited 2024 Aug. 19];54(1):85-102. Available from: https://apcz.umk.pl/DN/article/view/38183