1. Balchin, A. A., Physics and Chemistry of Materials with Layered Structure, Vol. II, Crystallography and Crystal Chemistry of Materials with Layered Structure, Dordrecht: D. Reidel Publ., 1976.
2. Rao, G. B. S., Schafer, M. W., Physics and Chemistry of Materials with Layered Structure, Vol. VI, Intercalation in Layered Transition Metal Dichalcogenides, Dordrecht: D. Reidel Publ., 1979.
3. Huang Baoquan, Shang Maoyu, Huang Jinling, Crystal structure of mixed metal cluster Co2Nb2Te4 obtained by solid state reaction, Chinese J. Struct. Chem., 1988, 2: 133.
4. Huang Jinling, Huang Baoquan, Crystal structure of mixed metal cluster Ni2Nb2Te4 obtained by solid state reaction, Chinese J. Struct. Chem., 1988, 3: 214.
5. Huang Baoquan, Huang Jinling, Liu Shixiong, Synthesis and crystal structure of a new ternary, tantalum, chalocogenide Ni2Ta2Te4, Chinese J. Struct. Chem., 1989, 2: 145.