6. Voloshin Y.Z., Zavodnik V.E., Varzatskii O.A., Belsky V.K., Palchik A.V., Strizhakova N.G., Vorontsov I.I., Antipin M.Y. Dalton Trans. 2002, 1193-1202.
http://dx.doi.org/10.1039/b107021p
7. Bruker AXS Inc., APEX2 (Version 1.08), SAINT (Version 7.03), and SADABS (Version 2.11). Bruker Advanced X-ray Solutions, Madison, Wisconsin, USA, 2004.
8. Burla M.C., Caliandro R., Camalli M., Carrozzini B., Cascarano G.L., De Caro L., Giacovazzo C., Polidori G., Spagna R. J. Appl. Cryst. 2005, 38, 381-388.
http://dx.doi.org/10.1107/S002188980403225X
9. Sheldrick G.M. SHELXS97 and SHELX97. Programs for the Refinement of Crystal Structure, Release 97-2, University of Gottingen, Germany, 1998.
10. Voloshin Y.Z., Kostromina N.A., Krämer R. Clathrochelates: Synthesis, Structure and Properties. Amsterdam: Elsevier, 2002. 432 p.