@ARTICLE {5439, author={R. Queirós and F. Alegria and P.M. Girão and A. Serra}, doi={10.1109/TIM.2010.2047305}, journal={IEEE Transactions on Instrumentation and Measurement}, title={Cross-correlation and Sine-fitting Techniques for High Resolution Ultrasonic Ranging}, year={2010}, month={December}, volume={59}, number={12}, pages={3227-3236}, ISSN={0018-9456} }