NF M60-790-6:1999 Nuclear energy. Measurement of radioactivity in the environment-Soil. Part 6 : methodology for gamma-emitters activity measurement in soil samplings.
2008NF M60-790-3:2008 Measurements of radioactivity in the environment - Soil - Part 3 : measurements of gamma-emitting radionuclides.
1999NF M60-790-6:1999 Nuclear energy. Measurement of radioactivity in the environment-Soil. Part 6 : methodology for gamma-emitters activity measurement in soil samplings.