1. R. Blinc, T. Apih: Progr. Nucl. Magn. Reson. 41, 49 (2002)
2. R. Blinc, J. Dolinsek, A. Gregorovic, B. Zalar, C. Filipic, Z. Kutnjak, A. Levstik, R. Pirc: Phys. Rev. Lett. 83, 424 (1999)
3. R.R. Ernst, G. Bodenhausen, A. Wokaun: Principles of Nuclear Magnetic Resonance in One and Two Dimensions (Clarendon Press, Oxford 1987)
4. K. Schmidt-Rohr, H.W. Spiess: Multi-Dimensional NMR and Polymers (Academic Press, London 1994)
5. A. Schweiger, G. Jeschke: Principles of pulse electron paramagnetic resonance (Oxford University Press, Oxford 2001)