@article{HagemannIhrig1979,
  author    = {Hagemann, Hans-J{\"u}rgen and Ihrig, H.},
  title     = {Valence change and phase stability of 3d-doped BaTiO3 annealed in oxygen and hydrogen. Hagemann, H. J.; Ihrig, H.},
  series = {Physical Review B.. 20 (1979), H. 9},
  journal   = {Physical Review B.. 20 (1979), H. 9},
  isbn      = {1095-3795},
  pages     = {3871 -- 3878},
  year      = {1979},
  language  = {en}
}