BS ISO 18589-4:2009 Measurement of radioactivity in the environment - Soil - Measurement of plutonium isotopes (plutonium 238 and Plutonium 239 + 240) by alpha spectrometry
2009BS ISO 18589-4:2009 Measurement of radioactivity in the environment - Soil - Measurement of plutonium isotopes (plutonium 238 and Plutonium 239 + 240) by alpha spectrometry