1. Viswanadham N, Narahari Y. Performance Modeling of Automated Manufacturing Systems. New Jersey: Prentice Hall, 1992.
2. Vince J. Virtual Reality Systems. Reading, MA: Addison-Wesley, 1995.
3. Mayr H. Virtual Automation Environments — Design, Modeling, Visualisation, Simulation. New York Basel: Marcel Dekker, 2002.
4. Gertz M W, Khosla P K. Onika: A Multilevel Human-Machine Interface for Real-Time Sensor-Based Robotics Systems, Proc. of SPACE 94: The 4th International Conference and Exposition on Engineering and Construction, 1994.
5. Nethery J, Spong M W. Robotica: A Mathematica Package for Robot Analysis, IEEE Rob. Aut. Mag. 1994; 1:1: 13–20.