Lizzi, F. New Developments in Ultrasonic Transducers and Transducer Systems. SPIE Digital Library.
Chicago-čujuhus (17. p.)Lizzi, Frederick. New Developments in Ultrasonic Transducers and Transducer Systems. SPIE Digital Library.
MLA-čujuhus (9. p.)Lizzi, Frederick. New Developments in Ultrasonic Transducers and Transducer Systems. SPIE Digital Library.
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