1. Electron Paramagnetic Resonance of Transition Ions;Abragam,1970
2. Handbook of Mathematical Functions;Abramowitz,1972
3. Co energy and magnetization anisotropies in RCo5 intermetallics between 4.2 K and 300 K
4. Point-Group Theory Tables;Altmann,1994
5. Electron Paramagnetic Resonance in Compounds of Transition Elements;Al'tshuler,1974