DS/EN ISO 20042:2021 Measurement of radioactivity – Gamma-ray emitting radionuclides – Generic test method using gamma-ray spectrometry (ISO 20042:2019)
2021DS/EN ISO 20042:2021 Measurement of radioactivity – Gamma-ray emitting radionuclides – Generic test method using gamma-ray spectrometry (ISO 20042:2019)