1. Palmer G (2000) Electron paramagnetic resonance of metalloproteins. In: Que L Jr (ed) Physical methods in bioinorganic chemistry: spectroscopy and magnetism. University Science Books, Sausalito, CA
2. Bencini A, Gatteschi D (1999) Electron paramagnetic resonance spectroscopy. In: Solomon EI, Lever ABP (eds) Inorganic electronic structure and spectroscopy, volume I: methodology, vol 1. Wiley, New York, NY
3. Eaton GR, Eaton SS, Barr DP et al (2010) Quantitative EPR. Springer-Verlag, Wien
4. Chasteen ND, Snetsinger PA (2000) ESEEM and ENDOR spectroscopy. In: Que L Jr (ed) Physical methods in bioinorganic chemistry: spectroscopy and magnetism. University Science Books, Sausalito, CA
5. Hendrich MP, Debrunner PG (1998) EPR of non-Kramers systems in biology. In: Eaton GR, Eaton SS, Salikhov KM (eds) Foundations of modern EPR. World Scientific, Singapore