1. Gutsche, C.D., Calixarenes, Cambridge: Royal Society of Chemistry, 1989, p.132.
2. Vicens, J. and Bohmer, V., Calixarenes, a Versatile Class of Macrocyclic Compounds, Dodrecht: Kluwer Academic Publishers, 1991, p.15.
3. Asfari, Z., Bohmer, V., Harrowfield, J., and Vicens, J., Calixarenes, Dordrecht; Boston; London: Kluwer Academic Publishers, 2001, p.43.
4. Burilov, A.R., Volodina, Yu.M., Gazizov, A.S., Knyazeva, I.R., Pudovik, M.A., Habicher, W., Baer, I., and Konovalov, A.I., Chemicke Listy, 2004, vol. 98, p.94.
5. Burilov, A.R., Gazizov, A.S., Volodina, Yu.M., Pudovik, M.A., Habicher, W., Baer I., Gubaidullin, A.T., Litvinov, I.A., and Konovalov, A.I., Mendeleev Commun., 2005, no. 4, p. 153. DOI: 10.1070/MC2005v015n04ABEH002103.