HAMR, David. Transfer of master clock network technology to Czechoslovakia: Elektročas or Elektrozeit? German roots of Czechoslovak post-war timepieces 1923–1990. Acta Polytechnica, Prague, Czech Republic, v. 64, n. 3, p. 205–212, 2024. DOI: 10.14311/AP.2024.64.0205. Disponível em: https://ojs.cvut.cz/ojs/index.php/ap/article/view/9665. Acesso em: 5 feb. 2025.