1. R. L. Davidovich and L. A. Zemnukhova, Koordinats. Khim., 1, No. 4, 477–481 (1975).
2. A. A. Udovenko and L. M. Volkova, ibid., 7, No. 12, 1763–1813 (1981).
3. Ya. A. Buslaev and R. L. Davidovich, ibid., 15, No. 11, 1444–1465 (1989).
4. R. L. Davidovich, V. B. Logvinova, L. A. Zemnukhova, et al., ibid., 17, No. 10, 1342–1348 (1991).
5. L. A. Zemnukhova, R. L. Davidovich, A. A. Udovenko, and E. V. Kovaleva, ibid., 31, No. 2, 125–131 (2005).