VAN DER HEIJDEN, Margriet. Afanassjewa en Einstein. Wederzijdse waardering. Studium, Amsterdam, v. 9, n. 1-2, p. 63–76, 2016. DOI: 10.18352/studium.10128. Disponível em: https://platform.openjournals.nl/studium/article/view/20383. Acesso em: 16 aug. 2026.