CERIO ALFA 6 CERIUM-ALPHA RAMÍREZ-FALICOV MODEL 4 CALOR ESPECIFICO 2 Effect af rare earth impurities on the α - γ transition in metallic Ce 2 Effect of Th impurities on the α - γ transition in metallic Ce 2 HIBRIDIZACION 2 HYBRIDIZATION 2 MAGNETIC SUSCEPTIBILITY 2 RARE EARTHS 2 SPECIFIC HEAT 2 SUSCEPTIBILIDAD MAGNETICA 2 THORIUM 2 TIERRAS RARAS 2 TORIO 2 Valence, electronic specific heat and magnetic susceptibility of alpha-cerium 2