BACELAR VALENTE, Mário. Einstein’s redshift derivations: its history from 1907 to 1921. Circumscribere International Journal for the History of Science, [S. l.], v. 22, p. 1–16, 2018. DOI: 10.23925/1980-7651.2018v22;1-16. Disponível em: https://revistas.pucsp.br/index.php/circumhc/article/view/36437. Acesso em: 5 dec. 2025.