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