MÖSSBAUER STUDY OF THE FREQUENCY DEPENDENCE OF PARAMAGNETIC RELAXATION OF DY MOMENTS IN TYPE I SUPERCONDUCTOR THORIUM W. Wagner, G.M. Kalvius and V.D. Gorobchenko J. Phys. Colloques, 41 C1 (1980) C1-243-C1-244 DOI: 10.1051/jphyscol:1980181