ESTIMATION OF NATURAL RADIATION DOSE AND OF THE AGE OF ANCIENT POTTERY BY MÖSSBAUER EFFECT N. A. Eissa, H. A. Sallam et M. H. MorcyJ. Phys. Colloques, 40 C2 (1979) C2-462-C2-463DOI: https://doi.org/10.1051/jphyscol:19792161