URA, Elżbieta. Liquidation of the Government Protection Bureau, creation of the State Protection Service. Acta Universitatis Lodziensis. Folia Iuridica, Poland, v. 87, p. 119–130, 2019. DOI: 10.18778/0208-6069.87.08. Disponível em: https://www.czasopisma.uni.lodz.pl/Iuridica/article/view/5097. Acesso em: 8 aug. 2026.