1. T.M. Polyanskaya, Yu.V. Gatilov, T.N. Martynova, L.D. Nikulina, III International Seminar on Inclusion Compounds, Novosibirsk, Russia, 1989 (p. 97).
2. T.N. Martynova, L.D. Nikulina, T.M. Polyanskaya, A.I. Semenov, USSR Inventor’s Certificate No. 4 820 172/04, 1991.
3. Crystal structure of the 1:1 guest-host complex of bis(hexafluoroacetylacetonate)barium with 18-crown-6