VONK, F.; BONTH, R. de; NOORDEGRAAF, J. In memoriam: Frans Wilhelm (1945–2020). Levende Talen Magazine, Utrecht, Nederland, v. 107, n. 6, p. 49, 2020. Disponível em: https://lt-tijdschriften.nl/ojs/index.php/ltm/article/view/2092. Acesso em: 6 mei. 2024.