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Acta Polytechnica, Prague, Czech Republic, v. 54, n. 3, p. 225–230, 2014. DOI:
10.14311/AP.2014.54.0225. Disponível em:
https://ojs.cvut.cz/ojs/index.php/ap/article/view/2137. Acesso em: 2 apr. 2025.