Research on the rigidity of a three-pulley, two-universe (PUU) parallel kinematic machine. International Journal of Mechanical Engineering Research and Technology , [S. l.], v. 11, n. 1, p. 10–19, 2019. Disponível em: https://ijmert.com/index.php/ijmert/article/view/64. Acesso em: 13 oct. 2026.