KEITH, S.; BRAMMER, A. Rock-drill handle vibration: measurement and hazard assessment. Canadian Acoustics, [S. l.], v. 19, n. 4, p. 49–50, 1991. Disponível em: https://jcaa.caa-aca.ca/index.php/jcaa/article/view/665. Acesso em: 29 jun. 2022.