1. The piezoelectric hydrophone for ultrasonic output assessment;Walton,1978
2. PVF2 polymer microprobe;Wilson,1979
3. On the directivity of miniature ultrasonic ceramic hydrophones;Filmore,1981
4. Two miniature ceramic ultrasonic probes;Lewin;J Phys E,1981
5. Polymer hydrophone probes;De Reggi,1980