1. Correction of numerical error when two direction cosine columns are used as kinematic variables, Computer Methods in Appl. Mech. and Engng. Vol.* 1984.
2. On the practical use of Euler-Rodrigues parameters in multibody system dynamic simulation, (to appear 1984).
3. ; , A state-space dynamical representation for multibody mechanical systems. Part 1: Systems with tree configurations; Part 2: Systems with closed loops, Acta Mechanica, Vol. * 1984.
4. Lectures on the Dynamics of Multibody Systems, Nanjing Aeronautical Institute, Nanjing 1984 (Chinese).
5. On the recursive determination of body frames for multibody dynamic simulation, (to appear 1984).