1. Lehn, J.-M. (1990) Perspectives in supramolecular chemistry. From molecular recognition towards molecular information processing and self-organization, Angew. Chem. Int. Ed. Engl. 29, 1304–1319.
2. Balzani, V., Scandola, F. (1991) Supramolecular Chemistry, Ellis-Horwood, Chichester.
3. Schneider, J., Dürr, H. (1991) Frontiers in Supramolecular Organic Chemistry and Photochemistry, VCH, Weinheim.
4. Czarnik, A.W. (1992) Fluorescent Chemosensors for Ion and Molecule Recognition, ACS Symposium Series N° 538, American Chemical Society, Washington, DC.
5. Löhr, H.-G. and Vögtle, F. (1985) Chromo-and fluoroionophores. A new class of dye reagents, Acc. Chem. Res. 18, 65–72.