1. Emsley, J. W., Feeney, J. and Sutcliffe, L. H., High resolution nuclear magnetic resonance spectroscopy, Pergamon Press, New York (1964).
2. Pople, J. A., Schneider, W. G. and Bernstein, H. J., High resolution nuclear magnetic resonance, McGraw-Hill, New York (1959).
3. Bovey, F. A., High resolution NMR of macromolecules, Academic Press, New York (1972).
4. Bovey, F. A., Polymer conformation and configuration, Academic Press, New York (1969).
5. Stothers, J. B., Carbon-13 NMR spectroscopy, Academic Press, New York and London (1972).