1. Use of a TV camera in a closed-loop position control of mechanisms;Coulon,1983
2. Adaptive visual servo control of robots;Sanderson,1983
3. Publication 2800-1.1;Bradley,1989
4. Octec Ltd., Western Road, Bracknell, Berkshire RG12 1RW, U.K. IDT 2000 Single Board Automatic Video Tracker data sheet.