1. Electron Paramagnetic Resonance of Transition Ions;Abragam,1986
2. Electron Paramagnetic Resonance in Compounds of Transition Elements;Altshuler,1974
3. Electron Paramagnetic Resonance of d Transition-Metal Compounds;Mabbs,1992
4. Transition-Ion Electron Paramagnetic Resonance;Pilbrow,1990
5. Low-symmetry effects in electron paramagnetic resonance