[Radioactive nuclides and radiation data in use for radioactive/sealed radiation standards (author's transl)].
D004583:Electrons; D004735:Energy Transfer; D005720:Gamma Rays; D006207:Half-Life; D011839:Radiation, Ionizing; D011851:Radioactivity; D011868:Radioisotopes; D012015:Reference Standards
D011868:Radioisotopes