THER, Philipp. Klaus Zernack (14 VI 1931 – 2 XI 2017). Kwartalnik Historyczny, [S. l.], v. 126, n. 1, p. 187–189, 2019. DOI: 10.12775/20618. Disponível em: https://apcz.umk.pl/KH/article/view/20618. Acesso em: 3 lip. 2025.