1. (a) In Cyclophanes I, Cyclophanes II; Vögtle, F., Ed.; Springer-Verlag: New York, 1983.
2. (b) In Cyclophanes; Organic Chemistry A Series of Monographs; Keehn, P. M.; Rosenfeld, S. M., Eds.; Academic Press: New York, 1983; Vol. 45 parts 1 and 2.
3. (c) Diedrich, F. Cyclophanes; Royal Society of Chemistry: Cambridge, 1991.
4. (d) Vögtle, F. Cyclophane Chemistry; John Wiley: New York, 1993.
5. NMR studies of cyclophanes