SPEED RELATED DEFECT DETECTION IN A SETA 4-BALL LIFE TESTING MACHINE. Nigerian Journal of Technology, [S. l.], v. 11, n. 1, p. 54–68, 2002. DOI: 10.4314/njt.111.402. Disponível em: https://nijotech.com/index.php/nijotech/article/view/402. Acesso em: 16 apr. 2026.