2Pell M A, Ibers J A. Layered ternary and quaternary metal chalcogenides[J]. J Chem Ber, 1997, 130:1-8
3Li J, Guo H Y. Exploring tellurides: synthesis and characterization of new binary ternary and quaternary compounds[J]. J Solid State Chem, 1995, 117:247-255