BLOCKING OF PAIRS AND "SPIN GLASS FREEZING" IN EuxSr1-xS J.L. Tholence, F. Holtzberg, H. Godfrin, H.V. Löhneysen et R. Tournier J. Phys. Colloques, 39 C6 (1978) C6-928-C6-930 DOI: 10.1051/jphyscol:19786412