AFTER EFFECTS OF EC-DECAY 57Co - LABELLED TRIS (OXINATO) COBALT (III) AND TRIS (β-DIKETONATO) COBALT( I I I ) K. Endo, M. Harada, Y. Sakai and H. Sano J. Phys. Colloques, 40 C2 (1979) C2-420-C2-422 DOI: 10.1051/jphyscol:19792147