1. The Chemistry of Imperfect Crystal;Kröger,1974
2. Nonstoichiometry, Diffusion and Electrical Conductivity in Binary Metal Oxides;Kofstad,1972
3. Transition Metal Oxides;Rao,1995
4. Chemistry of Extended Defects in Non-Metallic Solids;Fender,1970
5. The non-stoichiometry of manganous oxide