An accusation of plagiarism.
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Steve Sheppard
D001417:Background Radiation; D019015:Geologic Sediments / Q000737:chemistry*; D008903:Minerals / Q000032:analysis*; D011197:Potassium Radioisotopes / Q000032:analysis*; D011834:Radiation Monitoring / Q000706:statistics & numerical data*; D045483:Rivers; D013910:Thorium / Q000032:analysis*; D014501:Uranium / Q000032:analysis*
D008903:Minerals; D011197:Potassium Radioisotopes; D014501:Uranium; D013910:Thorium