Authors: Ceccatelli, A De Felice, P

Citation: A. Ceccatelli et P. De Felice, Standardisation of Sr-90, Ni-63 and Fe-55 by the 4 pi beta liquid scintillation spectrometry method with H-3-standard efficiency tracing, APPL RAD IS, 51(1), 1999, pp. 85-92