Automated generation of Kempe linkage and its complexity. - Xiao-Shan Gao; Changcai Zhu (J. Comput. Sci. Technol., 1999)

Geometric constraint solving with conics and linkages. - Xiao-Shan Gao; Kun Jiang; Chang-Cai Zhu (Comput. Aided Des., 2002)