NF M60-812-2:2006 Nuclear energy - Measurement of environmental radioactivity - Part 2 : measurement of carbon 14 activity by liquid scintillation in carbon matrices in the environment.
2006NF M60-812-2:2006 Nuclear energy - Measurement of environmental radioactivity - Part 2 : measurement of carbon 14 activity by liquid scintillation in carbon matrices in the environment.