@inproceedings{M092.024,
author={Peremans, H. and Depreitere, J. and Van Campenhout, J.M.},
title={A New Navigation Sensor Combining the Advantages of Visual and Ultrasonic Sensors},
booktitle={Symp. on Sensory Systems for Robot Control},
year={1993},
month={10},
publisher={Inst. Meas. Control},
address={London},
}