Pieter Sijpersma, Hans Wiegel. De biografie . BMGN - Low Countries Historical Review, [S. l.], v. 136, 2021. DOI: 10.51769/bmgn-lchr.11080. Disponível em: https://ojstest.minions.amsterdam/article/view/11080.. Acesso em: 2 jul. 2024.