1. Lisegang, G.W. Eyring, E.M., Synthetic Multidentate Macrocyclic Compounds, Izatt, R.M. and Christensen, J.J., Eds, (1978) Academic, New York, pp-254–260.
2. Forsen, S., Drakenberg, T. and Wennerström, H. (1987) NMR Studies of Ion Binding in Biological Systems, Quarterly Rewiews of Biophysics, 19(1/2), pp 83–114.
3. a. Detellier, C. and Laszlo, P. Topics in Molecular Interactions, Thomas, W.J.O-, Ratajczak, H. and Rao, C.N.R. Eds. (1985) Studies in Physical and Theoretical Chemistry, Vol 37, Elsevier, Amsterdam, pp 291–336. b. Hertz, H.G., Kratochwil, A. and Weingärtner, H. Topics in Molecular Interactions, Thomas, W.J.O-., Ratajczak, H. and Rao, C.N.R. Eds (1985) Studies in Physical and Theoretical Chemistry, Vol 37, Elsevier, Amsterdam, pp 337-402.
4. Grootenhuis, P.D.J., van Eerden, J., Sudhölter, E.J.R., Reinhoudt, D.N., Roos, A., Harkema, S. and Feil, D. (1987) Complexation of Macrocyclic Polyethers Studied by Carbon-13 NMR Relaxation Time Measurements and Molecular Mechanics, J. Amer. Chem. Soc., 109, 4192-4191.
5. Echegoyen, L, Kaifer, A., Durst, H.D. Gokel, G.W. (1984) Carbon-13 Chemical Shifts and Relaxation Times as a Probe of Structural and Dynamic Properties in Alkali and Alkaline Earth Cryptate Complexes, J. Org. Chem.
49, 688–690.