Haeberlen, Ulrich Research Group Prof. Dr. Haeberlen, Max Planck Institute for Medical Research, Max Planck Society;
http://pdn.sciencedirect.com/science?_ob=MiamiImageURL&_cid=272245&_user=41901&_pii=S0926204002900767&_check=y&_origin=article&_zone=toolbar&_coverDate=2002--30&view=c&originContentFamily=serial&wchp=dGLzVlk-zSkzS&md5=3a6d4c5ed7431d2d38be9facb2089461&pid=1-s2.0-S0926204002900767-main.pdf (Any fulltext)
http://dx.doi.org/10.1006/snmr.2002.0076 (Any fulltext)
Lalowicz, Z. T., Punkkinen, M., Olejniczak, Z., Birczinski, A., & Haeberlen, U. (2002). Deuteron NMR study of the diverse mobility of the ammonium ions in the ordered phase of (ND4)2PtCl4. Solid State Nuclear Magnetic Resonance, 22(2), 373-393. doi:10.1006/snmr.2002.0076.