STEPPING MOTOR - HYDRAULIC MOTOR SERVO DRIVES FOR AN NC MILLING MACHINE. Nigerian Journal of Technology, [S. l.], v. 6, n. 1, p. 66–74, 2002. DOI: 10.4314/njt.61.366. Disponível em: https://nijotech.com/index.php/nijotech/article/view/366. Acesso em: 16 apr. 2026.