CRYSTAL FIELD CAMPO CRISTALINO 9 TIERRAS RARAS 6 ENDOR 4 RARE EARTHS 4 ZEEMAN EFFECT 4 ANGULAR MOMENTUM 2 COEFICIENETES SPIN-RED 2 DEFORMACION 2 DEFORMATION 2 EFECTO ZEEMAN 2 ESPIN 2 FLUORITA 2 FLUORITE 2 GADOLINIUM 2 HAMILTONIANOS 2 HAMILTONIANS 2 INHOMOGENEOUS FIELDS 2 MECANISMO DE BLUME-ORBACH 2 MOMENTO ANGULAR 2 NUCLEAR MAGNETIC RESONANCE 2 RARE EARTH COMPOUNDS 2 RED DE ESPÍN 2 SPECTROSCOPY 2 SPIN 2 SPIN NETWORKS 2 SPIN-LATTICE 2 Calculation of the spin-lattice coefficients of Gd3+ in caF2 using a point-charge model for the crystalline fieId 1 Cálculo de los coeficientes Spin-red de Gd 3+ en redes cúbicas 1 ELECTRON PARAMAGNETIC RESONANCE 1