Zimmermann, Herbert Emeritus Group Biophysics, Max Planck Institute for Medical Research, Max Planck Society;
https://www.sciencedirect.com/science/article/pii/S0926204000900080/pdf?md5=0417896e3e1943bad878178139a1b1a9&pid=1-s2.0-S0926204000900080-main.pdf (Any fulltext)
https://doi.org/10.1006/snmr.2000.0008 (Any fulltext)
Reichert, D., Hempel, G., Schneider, H., Zimmermann, H., & Luz, Z. (2000). Dynamic carbon-13 MAS NMR: application to benzene ring flips in polyaryl ethers. Solid State Nuclear Magnetic Resonance, 18(1), 17-36. doi:10.1006/snmr.2000.0008.