1. A.F. Well, Structural Inorganic Chemistry, Clarendon Press, Oxford, 1975.
2. C. Pérez-Vicente, Ph.D., Intercalation of alkali metals in tin chalcogenides, University of Cordoba, Cordoba, Spain, 1995.
3. R.J.D. Tilley, Defect Crystal Chemistry and its Applications, Chapman and Hall, New York, 1987.
4. Raman scattering intensities of layered crystals
5. Lattice dynamics of hexagonal MoS2studied by neutron scattering