1. M.A. Porai-Koshits, in Krystallokhimiya (Itogi nauki i tekhniki) Crystal Chemistry (Advances in Science and Crystal Engineering), vol. 15, ed. by E.A. Gilinskaya (VINITI, Moscow, 1981), p. 3
2. G.B. Deacon, R.J. Phillips, Coord. Chem. Rev. 33, 227 (1980)
3. M.A. Porai-Koshits, Zh. Strukt. Khimii 21, 146 (1980)
4. Y. Wang, Q. Shi, B. Yang, Q.Z. Shi, Y. Gao, Z. Zhou, Sci. China B 42, 363 (1999)
5. M. Camail, M. Humbert, A. Margaillan, A. Riondel, J.L. Vernet, Polymer 39, 6525 (1998)