[Evaluation of self-absorption in 4 pi beta counting using spherical and slab sources].
D003037:Cobalt Radioisotopes; D004583:Electrons; D011868:Radioisotopes; D011874:Radiometry / Q000295:instrumentation; D012428:Ruthenium
D003037:Cobalt Radioisotopes; D011868:Radioisotopes; D012428:Ruthenium