Measurement and characterisation of ultrasonic fields using hydrophones in the frequency range 0,5 MHz to 15 MHz (IEC 61102:1991 + A1:1993); German version EN 61102:1993 + A1:1994— 31 стр.
Ultrasonics - Hydrophones - Part 1: Measurement and characterization of medical ultrasonic fields up to 40 MHz (IEC 62127-1:2007 + Cor. :2008 + A1:2013); German version 62127-1:2007 + A1:2013— 95 стр.
Ultrasonics - Hydrophones - Part 1: Measurement and characterization of medical ultrasonic fields up to 40 MHz (IEC 62127-1:2007); German version EN 62127-1:2007— 84 стр.