LONG, Bill R.; CANNON, Jeff. A Comparison of Foreign and Domestic S.A.E. Grade Five Metal Fasteners. Journal of Agricultural Systems, Technology, and Management, [S. l.], v. 3, n. 2, p. 19–25, 1988. Disponível em: https://jastm.org/index.php/jastm/article/view/11893. Acesso em: 23 feb. 2025.