CALCULATION FOR THE SPLITTING OF CRYSTAL FIELD ENERGY LEVELS OF O h C 2v C 2 GROUP CHAIN IN ZnWO 4 : Ni 2+ CRYSTAL
Qi Dewei
Acta Phys. -Chim. Sin. . 1987, (02): 209 -212 .  DOI: 10.3866/PKU.WHXB19870217