1. The dynamic and electronic factors in isotope effects on NMR parameters (C.J. Jameson). 2. 3 H NMR studies of hydrogen isotope exchange reactions (P.G. Williams). 3. Deuterium nuclear magnetic resonance spectroscopy in partially ordered systems (J.H. Davis). 4. Alkali metal NMR studies of synthetic and natural ionophore complexes (C. Detellier, H.P. Graves and K.M.G. Briere). 5. Multinuclear and multipulse NMR of organosilicon compounds (E. Kupce and E. Kukevics). 6. One-bond 13 C- 13 C coupling constants in structural studies (K. Kamienska-Trela). NMR of 6 Li-enriched organolithium compounds (R.D. Thomas). NMR as quantitative analytical tool in chemical applications of isotopes (A.D. Bain and L. Lao). Application of stable isotope labelling and multinuclear NMR to biosynthetic studies (T.J. Simpson). Subject Index.