@article{HagemannIhrig2006,
  author    = {Hans-J{\"u}rgen Hagemann and H. Ihrig},
  title     = {Valence change and phase stability of 3d-doped BaTiO3 annealed in oxygen and hydrogen. Hagemann, H. J.; Ihrig, H.},
  journal   = {Physical Review B.. 20 (1979), H. 9},
  pages     = {3871 -- 3878},
  year      = {2006},
}