@article{Ferreira:168220,
      author        = "Ferreira, N.M. and Rasekh, Sh. and Fernandes, A.J.S. and
                       Costa, F.M. and Madre, M.A. and Diez, J.C. and Sotelo, A.",
      title         = "{Electrical polarization effect on Bi2Ca2Co 1.7Ox
                       thermoelectrics grown by laser floating zone}",
      year          = "2012",
}