[Extremely low level radiation counting techniques (author's transl)].
D000512:Alpha Particles; D001417:Background Radiation; D004583:Electrons; D004601:Elementary Particles; D005720:Gamma Rays; D009502:Neutrons; D011874:Radiometry / Q000295:instrumentation / Q000379:methods*; D012588:Scintillation Counting; D014915:Whole-Body Counting; D014965:X-Rays