García Murillo, M. A., D. A. Núñez Altamirano, J. Gallardo Alvarado, and R. E. Sánchez Alonso. “Algorithm to Determine the Volume and Shape of Constant Orientation Workspace for Parallel Robot 2(3-RRPS)”. IEEE Latin America Transactions, vol. 18, no. 7, May 2020, pp. 1156-63, https://latamt.ieeer9.org/index.php/transactions/article/view/44.