P. R. McAree, R. W. Daniel An Explanation of Never-Special Assembly Changing Motions for 3-3 Parallel Manipulators. [Citation Graph (0, 0)][DBLP] I. J. Robotic Res., 1999, v:18, n:6, pp:556-574 [Journal]
Ming-Hwei Perng, Lin Hsiao Inverse Kinematic Solutions for a Fully Parallel Robot with Singularity Robustness. [Citation Graph (0, 0)][DBLP] I. J. Robotic Res., 1999, v:18, n:6, pp:575-583 [Journal]