Ultrasonic distance measuring and imaging systems for industrial robots. - J. Knight; Simon Pomeroy; H. Dixon; M. D. Wybrow (Robotics, 1987)

An Ultrasonic Vehicle Guidance System. - W. S. H. Munro; Simon Pomeroy; M. Rafiq; H. R. Williams; M. D. Wybrow; Catherine Wykes (IROS, 1989)

An ultrasonic system for object recognition in a manufacturing environment. - M. D. Wybrow; Catherine Wykes (J. Intell. Manuf., 1992)