1. V.I. Lushchikov, Yu.V. Taran, F.L. Shapiro, Yad. Fiz. 10 (1969) 1178 (Engl. Transl. Sov. J. Nucl. Phys. 10 (1970) 669).
2. M. Leslie, Proceedings of the Second Workshop on Polarized Target Materials, Rutherford Appleton Laboratories rep. RL-80-080, Chilton, 1980.
3. A. Abragam, M. Goldman, Nuclear Magnetism: Order and Disorder, Oxford University Press, London, New York, 1982.
4. V. Baritchevski and M.Podgoretzki, Zh. Eksp. Theor. Fiz. 47 (1964) 1050 (Engl. Transl. Sov. Phys. JETP 20 (1965) 704).
5. H. Glättli and M.Goldman, in Methods of Experimental Physics, Vol. 23, Part C, Academic Press, New York, (Chapter 21).