1. M. Affatigato: Modern Glass Characterization (Wiley, Hoboken 2015)
2. A. Abragam: Principles of Nuclear Magnetism (Oxford Univ. Press, Oxford 1961)
3. C.P. Slichter: Principles of Magnetic Resonance, 3rd edn. (Springer, New York 1989)
4. K. Schmidt-Rohr, H.W. Spiess: Multidimensional NMR and Polymers (Academic, London 1994)
5. A. Schweiger, G. Jeschke: Principles of Pulse Electron Paramagnetic Resonance (Oxford Univ. Press, Oxford 2001)