FLIPSE, Ab. Reijer Hooykaas (1906–1994). Studium, Amsterdam, v. 6, n. 3-4, p. 287–291, 2013. DOI: 10.18352/studium.9293. Disponível em: https://platform.openjournals.nl/studium/article/view/20331.. Acesso em: 22 dec. 2024.