@inproceedings{M092.027,
author={Audenaert, K. and Peremans, H. and Kawahara, Y. and Van Campenhout, J.M.},
title={Accurate Ranging of Multiple Objects Using Ultrasonic Sensors},
booktitle={Proceedings of the 1992 IEEE Int. Conference on Robotics and Automation},
year={1992},
month={5},
pages={1733-1738},
publisher={IEEE},
address={Nice},
}