IEC 61391-1:2006+AMD1:2017 CSV Ultrasonics - Pulse-echo scanners - Part 1: Techniques for calibrating spatial measurement systems and measurement of point-spread function response
2017IEC 61391-1:2006/AMD1:2017 Ultrasonics - Pulse-echo scanners - Part 1: Techniques for calibrating spatial measurement systems and measurement of system point-spread function response
2017IEC 61391-1:2017 Ultrasonics - Pulse-echo scanners - Part 1: Techniques for calibrating spatial measurement systems and measurement of system point-spread function response
2006IEC 61391-1:2006 Ultrasonics - Pulse echo scanners - Part 1: Techniques for calibrating spatial measurement systems and measurement of system point-spread function response