RAMÍREZ-FALICOV MODEL RARE EARTHS 6 TIERRAS RARAS 6 CERIO ALFA 4 CERIUM-ALPHA 4 BAJA TEMPERATURA 2 CALOR ESPECIFICO 2 CERIO 2 CERIUM 2 Comments on electronic phase transition inb Ce1XLax alloys 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 Electronic phase transition in Ce1-X Lax alloys 2 IMPUREZAS 2 IMPURITIES 2 INTERVALO DE TEMPERATURA 0065-0273 K 2 LANTANO 2 LANTHANUM 2 LOW TEMPERATURE 2 SPECIFIC HEAT 2 TEMPERATURE RANGE 0065-0273 K 2 THORIUM 2 TORIO 2 Theory of the effect of impurities on the a-y transition in cerium 2