1. IEC Standard 62359 Ed. 2, Ultrasonics - field characterization - test methods for the determination of thermal and mechanical indices related to medical diagnostic ultrasonic fields, International Electrotechnical Commission, Geneva, (2010).
2. IEC Standard 61161 Ed. 2, Ultrasonics - Power measurement - Radiation force balances and performance requirements, International Electrotechnical Commission, Geneva, (2006).
3. IEC Standard 62127-1 Ed. 1, Ultrasonics – Hydrophones, Measurement and characterization of medical ultrasonic fields up to 40 MHz, International Electrotechnical Commission, Geneva, (2007).
4. Guide to the Expression of Uncertainty in Measurement, International Organization for Standardization, Geneva, (1995).
5. Information for Manufacturers Seeking Marketing Clearance of Diagnostic Ultrasound Systems and Transducers, U.S. Department of Health and Human Services, Food and Drug Administration, Center for Devices and Radiological Health, Silver Spring, Sept (2008).