1. J. R. Klauder and P. W. Anderson, Phys. Rev. 125, 912 (1962).PHRVAO0031-899X
2. W. B. Mims, in Electron Paramagnetic Resonance, edited by S. Gesehwind (Plenum, New York, 1972), p. 263.
3. K. M. Salikhov and Yu.D. Tsvetkov, in Time Domain Electron Spin Resonance, edited by L. Kevan and R. N. Schwartz (Wiley, New York, 1979), p. 231.
4. M. Glasbeek, R. Hond, and A. H. Zewail, Phys. Rev. Lett. 45, 744 (1980).PRLTAO0031-9007
5. M. Glasbeek and R. Hond, Phys. Rev. B 23, 4220 (1981).PRBMDO0163-1829