1. Weil, J.E., Bolton, J.R., Wertz, J.A.: Electron Paramagnetic Resonance: Elementary Theory and Practical Applications, p. 497. Wiley, New York (1994a)
2. Nagy, V.: Quantitative EPR: some of the most difficult problems. Appl. Magn. Reson. 6, 259–285 (1994a)
3. Randolph, M.: Quantitative considerations in electron spin resonance studies of biological materials. In: Swartz, H.M., Bolton, J.R., Borg, D.C. (eds.) Biological Applications of Electron Spin Resonance, pp. 119–155. Wiley, New York (1972a)
4. Adem, E., Munoz, P.E., Gleason, V.R., Murrieta, S.H., Aguilar, S.G., Uribe, R.E.: Electron paramagnetic resonance studies of γ-irradiated corn. Appl. Radiat. Isot. 44, 419–422 (1993)
5. Auteri, F.P., Belford, R.L., Boyer, S., Motsegood, K.K., Smirnov, A.I., Smirnova, T., Vahidi, N., Clarkson, R.B.: Carbon-based standards for electron paramagnetic resonance spectroscopy. Appl. Magn. Reson. 6, 287–308 (1994)