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    Ultrasonic Evaluation of Thermal Degradation in Adhesive Bonds

    Lih, S. / Mal, A. K. / Bar-Cohen, Y. | NTRS | 1994

    NASA NDE Working Group (NNWG)

    Bar-Cohen, Y. | NTRS | 1994

    Miniature Ultrasonic Rotary Motors

    Bar-Cohen, Y. | NTRS | 1995

    NASA NDE Working Group Newsletter

    Bar-Cohen, Y. | NTRS | 1995

    The Multifunction Automated Crawling System (MACS)

    Joffe, B. / Bar-Cohen, Y. / Backes, P. | NTRS | 1997

    Rotary Ultrasonic Motors Actuated By Traveling Flexural Waves

    Loertscher, H. / Bao, T. / Bar-Cohen, Y. | NTRS | 1997