1. Hore P.J., McLauchlan K.A.: J. Magn. Reson.36, 129–140 (1979)
2. Hore P.J., McLauchlan K.A.: Mol. Phys.42, 533–550 (1981)
3. Dobbert O., Prisner T., Dinse K.P.: J. Magn. Reson.70, 173–175 (1986)
4. Bowman M.K.: Modern Pulsed and Continuous Wave Electron Spin Resonance (Kevan L., Bowman M.K., eds.), pp. 1–42. New York: Wiley 1990.
5. Angerhofer A., Massoth R.J., Bowman M.K.: Isr. J. Chem.28, 227–238 (1988)