Zimmermann, Herbert Emeritus Group Biophysics, Max Planck Institute for Medical Research, Max Planck Society;
http://www.sciencedirect.com/science/article/pii/S1090780704000564/pdfft?md5=a716f564218eabb19c94e004fc05f90a&pid=1-s2.0-S1090780704000564-main.pdf (Any fulltext)
http://dx.doi.org/10.1016/j.jmr.2004.03.001 (Any fulltext)
Dvinskikh, S. V., Zimmermann, H., Maliniak, A., & Sandström, D. (2004). Measurements of motionally averaged heteronuclear dipolar couplings in MAS NMR using R-type recoupling. Journal of Magnetic Resonance, 168(2), 194-201. doi:10.1016/j.jmr.2004.03.001.