NF M60-790-5:1999 Nuclear energy. Measurement of radioactivity in the environment-Soil. Part 5 : methodolgy for alpha global activity in terms of 239 Pu equivalent and beta global activity in terms of 90 Sr and 90 Y equivalent in soil samples.
2009NF M60-790-6:2009 Measurements of radioactivity in the environment - Soil - Part 6 : measurements of gross alpha and gross beta activities.
1999NF M60-790-5:1999 Nuclear energy. Measurement of radioactivity in the environment-Soil. Part 5 : methodolgy for alpha global activity in terms of 239 Pu equivalent and beta global activity in terms of 90 Sr and 90 Y equivalent in soil samples.