PROKOP, T. On the Waves of Radio Free Europe. The story of Jaroslav and Pavel Pecháček. Remembrance and Justice, [S. l.], v. 18, n. 2, p. 411–425, 2011. Disponível em: https://czasopisma.ipn.gov.pl/index.php/pis/article/view/393. Acesso em: 13 nov. 2026.