NMR paper in Nature Scientific Reports

C.E. Norris, S.A. Quideau, S.M. Landhäusser, G.M. Bernard and R.E. Wasylishen, "Tracking Stable Isotope Enrichment in Tree Seedlings with Solid-State NMR Spectroscopy," Nature Scientific Reports 2 (2012) 719.  http://dx.doi.org/10.1038/srep00719