BOSMANS, J.L.J. J. Pekelder, Nederland en de DDR. Beeldvorming en betrekkingen 1949-1989. BMGN - Low Countries Historical Review, [S. l.], v. 114, n. 3, p. 474–476, 1999. DOI: 10.18352/bmgn-lchr.5072. Disponível em: https://bmgn-lchr.nl/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-105814.. Acesso em: 17 aug. 2024.