General Methodology for Type Synthesis of Symmetrical Lower-Mobility Parallel Manipulators and Several Novel Manipulators. - Z. Huang; Q. C. Li (Int. J. Robotics Res., 2002)

Type Synthesis of Symmetrical Lowermobility Parallel Mechanisms Using the Constraint-synthesis Method. - Z. Huang; Q. C. Li (Int. J. Robotics Res., 2003)

A Family of Symmetrical Lower-Mobility Parallel Mechanisms with Spherical and Parallel Subchains. - Q. C. Li; Zhen Huang 009 (J. Field Robotics, 2003)