PIETROW, Alexander G.M. Investigations into the origin of Einstein’s Sink. Studium, Amsterdam, v. 11, n. 4, p. 260–268, 2019. DOI: 10.18352/studium.10183. Disponível em: https://platform.openjournals.nl/studium/article/view/21911.. Acesso em: 18 mar. 2026.