Yv. Mironov et al., TE-6, [TE8CL18](2-), AND [TECL3](-) - NEW TELLURIUM AND CHLOROTELLURATO LIGANDS IN THE RE-6 SOLID-STATE CLUSTER COMPOUNDS RE6TE16CL18 AND RE6TE16CL6, Angewandte Chemie, International Edition in English, 35(23-24), 1997, pp. 2854-2856