1. Composite pulses;Levitt;Prog. NMR Spectrosc.,1986
2. Composite pulses without phase distortion;Tycko;J. Magn. Reson.,1986
3. A pulse for all seasons—Fourier-transform spectra without a phase gradient;Freeman;J. Magn. Reson.,1988
4. Experimental verification of composite inversion pulses obtained by series expansion of the offset angle;Keniry;J. Magn. Reson.,1992
5. Symmetrical composite pulse sequences for NMR population inversion. I. Compensation of radiofrequency field inhomogeneity;Levitt;J. Magn. Reson.,1982