Brown, Lewis (November 2000). "Design Considerations for Piezoelectric Polymer Ultrasound Transducer". IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control. 47 (6): 1377–1396. doi:10.1109/58.883527. PMID18238684. S2CID43756472.
Brown, Lewis (November 2000). "Design Considerations for Piezoelectric Polymer Ultrasound Transducer". IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control. 47 (6): 1377–1396. doi:10.1109/58.883527. PMID18238684. S2CID43756472.
Brown, Lewis (November 2000). "Design Considerations for Piezoelectric Polymer Ultrasound Transducer". IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control. 47 (6): 1377–1396. doi:10.1109/58.883527. PMID18238684. S2CID43756472.