1. E. Lindner, M. Khanfar, M. Steimann, Eur. J. Inorg. Chem. (2001) in press.
2. J.L. Atwood, J.E. Davies, D. MacNichol, F. Vögtle, (Eds.), Comprehensive Supramolecular Chemistry, Vol. 2, Pergamon, Oxford, 1996.
3. Supramolecular Chemistry;Lehn,1995
4. F. Diederich, Cyclophanes, The Royal Society of Chemistry, Cambridge, 1991.
5. Cyclophan-Chemie;Vögtle,1990