13C spectra of liquid crystals and nonrigid solids using a high-resolution spectrometerC.A FyfeJ.R Lyerlaet al.1978Journal of Magnetic Resonance (1969)
New coherent averaging effect in magnetic resonance: Modulation-Induced reduction of dipolar couplingCostantino S. YannoniHans-Martin Vieth1976Physical Review Letters
A method for polarizing protons by proton-chlorine rotating frame cross-relaxation in high magnetic fieldsW.S. VeemanC.S. Yannoni1975Chemical Physics Letters