1. Slichter CP (1990) Principles of magnetic resonance. Springer, Berlin
2. Stoll S, Schweiger A (2006) EasySpin, a comprehensive software package for spectral simulation and analysis in EPR. J Magn Reson 178:42–55
3. Stoll S, Schweiger A (2007) EasySpin: a comprehensive software package for spectral simulation and analysis. In: Hemminga MA, Berliner L (eds) EPR in biological magnetic resonance, vol 27. Springer, Berlin, pp 299–321
4. Schweiger A, Jeschke G (2001) Principle of pulse electron paramagnetic resonance. Oxford University Press, New York
5. Kevan L, Schwartz RN (eds) (1979) Time domain electron spin rersonance. Wiley, New York