N. Beckmann, Introduction. G. Gemmecker and H. Kessler, Methodology and Applications of Heteronuclear and Multidimensional 13C NMR to the Elucidation of Molecular Structure and Dynamics in the Liquid State. J.R.Garbow and T. Gullion, Structural Determination of Biological Solids by Magic-Angle Spinning 13C NMR. J.A. Hamilton, 13C NMR Studies of the Interactions of Fatty Acids with Phospholipid Bilayers, Plasma Lipoproteins, and Proteins. B. Konnecke, Application 13C NMR Spectroscopy to Metabolic Studies on Animals. N. Beckmann, 13C Magnetic Resonance Spectroscopy as a Noninvasive Tool for Metabolic Studies on Humans. Subject Index.