R. V. Book,Rewriting techniques and applications,RTA 91.Rewriting techniques and applications(4th : 1991 : Italy)：International Conference RTA-91, Como. Italy 1991, proceedings.Springer,1991.
D. E Herdt,M. J. Book.Control jof manufacturing processes and robotic systems：Presented at The Winter Annual Meeting of The ASME, Boston,1983.ASME,1983.
E. G. Book,IEEE-GMTT International Microwave Symposium.IEEE-GMTT International Microwave Symposium (1972 : Arlington Heights)：digest of technical papers.IEEE,1972.
W. J. Book,American Society of Mechanical Engineers.Robotics research and advanced applications：presented at athe Winter Annual Meeting of the ASME, Phoenix, Ariz, 1982.ASME,1982.
