STÉPÁN, Gábor. INSTABILITY CAUSED BY DELAY IN ROBOT SYSTEMS Periodica Polytechnica Mechanical Engineering, [S. l.], v. 33, n. 1-2, p. 37–44, 1989. Disponível em: https://pp.bme.hu/me/article/view/5628. Acesso em: 10 apr. 2025.