1. Multifrequency Electron Paramagnetic Resonance, Theory and Applications;Misra,2011
2. The Bruker high-frequency-EPR system;Schmalbein;Appl. Magn. Reson.,1999
3. Bruker, , 2012.
4. Bruker, , 2012.
5. Bruker, EPR News Letter, EPR News Letter 2010 (2010) p. 18.