NF M60-802-2:2000 Nuclear energy - Measurement of radioactivity in the environment-Water - Part 2 : Beta emiters activity measurement by liquid scintillation - Particular case of carbon-14.
2012NF M60-826:2012 Water quality - Determination of carbon 14 activity - Liquid scintillation counting method.
2000NF M60-802-2:2000 Nuclear energy - Measurement of radioactivity in the environment-Water - Part 2 : Beta emiters activity measurement by liquid scintillation - Particular case of carbon-14.