Proceedings of the Rensselaer's 2Nd International Conference on Computer Integrated Manufacturing, Date: 21 May 1990 through 23 May 1990, Location: Troy, NY, USA, Sponsors: IEEE Robotics & Automation Soc;IEEE Computer Soc Press;Cent for Manufacturing, Productivity, & Technology;Northeast Manufacturing Technology Cent;Rensselaer Polytechnic Inst