Resolved two-dimensional anisotropic-chemical-shift/heteronuclear dipolar coupling powder-pattern spectra by three-dimensional solid-state NMR spectroscopy.
Ramamoorthy A, Gierasch LM, Opella SJ. Resolved two-dimensional anisotropic-chemical-shift/heteronuclear dipolar coupling powder-pattern spectra by three-dimensional solid-state NMR spectroscopy. J Magn Reson B. 1996 Jan; 110(1):102-6.