SHAVIV, G. THE HISTORY OF THE S PROCESS AND ITS PRESENT STATE. Acta Polytechnica, [S. l.], v. 53, n. A, p. 538–544, 2013. DOI: 10.14311/AP.2013.53.0538. Disponível em: https://ojs.cvut.cz/ojs/index.php/ap/article/view/1895. Acesso em: 4 may. 2024.