References
- Earwicker , M. J. 1973 . Mathematical Modelling of Piezoelectric Transducers AUWE Tech. Note 482/73
- Claeyssen , F. 1989 . Design and Construction of Low-Frequency Sonar Transducers based on Rare Earth-Iron Alloys , PhD Thesis Lyon
- Reed , I. M. 1994 . Characterisation of Magnetostrictive Materials using Plane Wave Modelling , PhD Thesis Hull
- Holland , R. 1967 . IEEE Trans. Sonics and Ultrasonics. , 14 : 18 – 20 .