1. A. Abragam, Principles of Nuclear Magnetism, Clarendon, Oxford (1961).
2. C. Slichter, Principles of Magnetic Resonance, Springer, Berlin (1978).
3. A. G. Lundin and E. I. Fedin, NMR Spectroscopy [in Russian], Nauka, Moscow (1986).
4. V. G. Pokazan’ev, G. V. Skrotskii, and L. I. Yakub, Sov. Phys. Usp., 18, 533–547 (1975).
5. V. M. Dubovik, I. V. Lunegov, and M. A. Martsenuyk, Phys. Part. Nucl., 26, 29–59 (1995).