Activity ratios of 241Pu/239+240Pu and 238Pu/239+240Pu in fall-out samples collected in the period of 1961-1968.
D010316:Particle Size; D011005:Plutonium / Q000032:analysis*; D011847:Radioactive Fallout / Q000032:analysis*; D011891:Rain; D014878:Water Pollution, Radioactive / Q000032:analysis*
D011847:Radioactive Fallout; D011005:Plutonium