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://testplatform.openjournals.nl/studium/article/view/21911. Acesso em: 11 apr. 2026.