1. Principles of Nuclear Magnetism;Abragam,1961
2. Principles of Nuclear Magnetic Resonance in One and Two Dimensions;Ernst,1987
3. High Resolution NMR Spectroscopy in Solids;Mehring,1976
4. High Resolution NMR in Solids: Selective Averaging;Haeberlen,1976
5. Principles of Magnetic Resonance;Slichter,1990