1. J. Goodenough, W. Graper, F. Holtzberg, D.L. Huber, R.A. Jefever, J.M. Longo, T.R.M. Guire, S. Methfessel, K.H. Hellwege, A.M. Hellwege, in Numerical Data and Functional Relationships in Science and Technology, ed. by Landlot Börnstein (Springer, Berlin, 1970), p. 126
2. F.S. Galasso, Perovskite and High Tc Superconductors, (Gordon and Breach Science Publishers, New York, 1990)
3. A. Weber, E. Ivers-Tiffee, J. Power Sources 127, 273 (2004)
4. H. Hayashi, H. Inaba, M. Matsuyama, N.G. Lan, M. Dokiya, H. Tagawa, Solid State Ion. 122, 1 (1999)
5. M. Pena, J. Fierro, Chem. Rev 101, 1981 (2001)