@article{HagemannHennings2006,
  author    = {Hans-J{\"u}rgen Hagemann and D. Hennings},
  title     = {Reversible Weight change of acceptor-doped BaTiO3. Hagemann, H. J.; Hennings, D.},
  journal   = {Journal of the American Ceramic Society. 64 (1981)},
  pages     = {590 -- 594},
  year      = {2006},
}