1. and in Topics in Carbon-13 NMR Spectroscopy, edited by Vol. 1, Chapt. 3. Wiley, New York (1974).
2. in Topics in Carbon-13 NMR Spectroscopy, edited by Vol. 2, Chapt. 6. Wiley, New York (1976).
3. and in Topics in Carbon-13 NMR Spectroscopy, edited by Vol. 3, Chapt. 2. Wiley, New York (1979).
4. and in Topics in Carbon-13 NMR Spectroscopy, edited by Vol. 4, Chapt. 9. Wiley, New York (1984).
5. Carbon-13 spin-lattice relaxation mechanisms for the t-butyl cation in superacid. Importance of chemical shift anisotropy to the relaxation of cationic carbons