NF M60-780-5:2000 Nuclear energy - Measurements of radioactivity in the environment - Bioindicators - Part 5 : general guide for the sampling of biological indicators from the earth environment.
2000NF M60-780-5:2000 Nuclear energy - Measurements of radioactivity in the environment - Bioindicators - Part 5 : general guide for the sampling of biological indicators from the earth environment.