Interpretation of carbon-13 NMR spectra / F. W. Wehrli and T. Wirthlin. Wehrli, F. W. Wirthlin, T. Carbon Isotopes Spectra. Nuclear magnetic resonance spectroscopy. 547 WEI Includes bibliographical references and index. London ; Philadelphia : Heyden, c1978. c1978. 1978 Text xiv, 310 p., fold. plate : eng