LEHTOLA, C. J.; HILL, D.; BROWN, C. M. Safer Tractor Operations for Emergency and Rescue Personnel: CIR 1253/AE199, 4/2003. EDIS, [S. l.], v. 2003, n. 9, 2003. DOI: 10.32473/edis-ae199-2003. Disponível em: https://ojs.test.flvc.org/edis/article/view/108801. Acesso em: 8 jul. 2024.