Constancy testing of nuclear medical measuring systems - Part 1: Radiation counting systems for measurements in vivo and in vitro (IEC/TR 61948-1:2001, modified)— 9 стр.
Constancy testing of nuclear medical measuring systems - Part 1: Radiation counting systems for measurements in vivo and in vitro (IEC/TR 61948-1:2016, modified)— 12 стр.
Constancy testing of nuclear medical measuring systems - Part 1: Radiation counting systems for measurements in vivo and in vitro (IEC/TR 61948-1:2001, modified)— 9 стр.