1. Menger EM, Veeman WS (1982) J Magn Reson 46: 257
2. Harris RK, Olivieri A (1992) Progress in NMR Spectroscopy 24: 435
3. Gobetto R, Harris RK, Apperley D (1992) J Magn Reson 96: 119
4. Freude D, Haase J (1999) Quadrupole Effects in Solid-State Nuclear Magnetic Resonance. In: NMR Basic Principles and Progress 29: Springer, Berlin
5. Davies NA, Harris RK, Olivieri AC (1996) Mol Phys 87: 669