HEIBERG, S. Helge Gamrath. 2. september 1939 - 2. december 2023. Historisk Tidsskrift, [S. l.], v. 124, n. 2, p. 514–518, 2024. Disponível em: https://tidsskrift.dk/historisktidsskrift/article/view/152075. Acesso em: 21 dec. 2024.