1. B.L. Bales, M. Meyer, S. Smith, M. Peric, J. Phys. Chem. A 113, 4930–4940 (2009)
2. B.L. Bales, in Biological Magnetic Resonance, ed. by L.J. Berliner, J. Reuben (Plenum, New York, 1989), pp. 77–130
3. Y.N. Molin, K.M. Salikhov, K.I. Zamaraev, Spin Exchange Principles and Applications in Chemistry and Biology (Springer, New York, 1980)
4. J.D. Currin, Phys. Rev. 126, 1995 (1962)
5. K.M. Salikhov, J. Magn. Reson. 63, 271–279 (1985)