| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Guidance on Propagation Medium and Degassing for Ultrasonic Power Measurements in the Range of Physiotherapy-Level Ultrasonic Power | 978-92-828-9838-3 (92-828-9838-5) | 2000 | Rt Hekkenberg · K Beissner |
| Therapy-Level Ultrasonic Power Measurement: Final Technical Report Smt4-Ct96-2139 | 978-92-828-9027-1 (92-828-9027-9) | 2000 | Rt Hekkenberg · K Beissner |