title: [Radioactive and radiation standards (XI), 9. Energy standards of radiation (author's transl)].
mesh_terms: D000512:Alpha Particles / Q000592:standards; D004583:Electrons; D005720:Gamma Rays / Q000592:standards; D006050:Gold Radioisotopes; D011827:Radiation / Q000592:standards*; D011839:Radiation, Ionizing; D014965:X-Rays / Q000592:standards
chemical_list: D006050:Gold Radioisotopes