BARÁTH, M. Some Aspects of the Cooperation between the Hungarian and Soviet Intelligence Services. Aparat Represji w Polsce Ludowej 1944-1989, [S. l.], n. 18, p. 431–446, 2023. DOI: 10.48261/ARPRL201815. Disponível em: https://czasopisma.ipn.gov.pl/index.php/arpl/article/view/1680. Acesso em: 23 grudz. 2024.