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SÁENZ P., P. M. Tolerancias de forma y posición. Informador Técnico, [S. l.], v. 47, p. 14–17, 1993. DOI: 10.23850/22565035.1176. Disponível em: https://revistas.sena.edu.co/index.php/inf_tec/article/view/1176. Acesso em: 24 mar. 2026.