DOMNITZ, C. Surveillance Keeping Step with Integrating Elites: The ’Operativgruppe Moskau’ of the East German Stasi. Aparat Represji w Polsce Ludowej 1944-1989, [S. l.], n. 18, p. 404–414, 2023. DOI: 10.48261/ARPRL201813. Disponível em: https://czasopisma.ipn.gov.pl/index.php/arpl/article/view/1673. Acesso em: 23 grudz. 2024.