Natural and fallout radioactivity in the soil.
D002587:Cesium Isotopes; D007558:Italy; D011005:Plutonium; D011834:Radiation Monitoring; D011847:Radioactive Fallout; D012987:Soil; D013325:Strontium Isotopes
D002587:Cesium Isotopes; D011847:Radioactive Fallout; D012987:Soil; D013325:Strontium Isotopes; D011005:Plutonium