@article{1997245, title={A Sound Velocity Measurement System for Thin Steel Sheet Based on Ultrasonic Interferometry}, author={Fumihiko ICHIKAWA and Hajime TAKADA and Kazuya ASANO and Kenichi SADAHIRO}, journal={Tetsu-to-Hagane}, volume={83}, number={4}, pages={245-250}, year={1997}, doi={10.2355/tetsutohagane1955.83.4_245} }