1. EPR at Varian: 1954–1974;Hyde,1998
2. Electron Spin Resonance: A Comprehensive Treatise on Experimental Techniques;Poole,1967
3. Electron Paramagnetic Resonance: Techniques and Applications;Alger,1968
4. Baseline offset in EPR spectrometers;Buckmaster;J. Magn. Reson.,1981
5. Quantitative EPR;Eaton,2010