1. (a) Lehn, J.-M. Supramolecular Chemistry: Concepts and Perspectives; VCH: Weinheim, 1995.
2. (b) Cram, D. J.; Cram, J. M. Container Molecules and Their Guests; The Royal Society of Chemistry: Cambridge, 1994.
3. (c) Kim, B. H.; Jeong, E. J.; Jung, W. H. J. Am. Chem. Soc. 1995, 117, 6390.
4. For reviews see: (a) Gutsche, C. D. Top. Curr. Chem. 1984, 123, 1.
5. (b) Gutsche, C. D. Calixarenes, Monographs in Supramolecular Chemistry; Stoddart, J. F., Ed.; The Royal Society of Chemistry: Cambridge, 1989; Vol. 1.