1. A. Abragam, Principles of Nuclear Magnetism, Oxford University Press, Oxford, 1961/1986.
2. C.P. Slichter, Principles of Magnetic Resonance, Springer, Berlin, 1990.
3. J. Winter, Magnetic Resonance in Metals, Oxford University Press, Oxford, 1970.
4. P. Fulde, Electron Correlations in Molecules and Solids, Springer, Berlin, 1993.
5. A.W. Lovesey, Condensed Matter Physics. Dynamic Correlations, Benjamin/Cummings, Menlo Park, CA, 1980.