@article{Constantinescu:168131,
      author        = "Constantinescu,G. and Diez,J. C. and Rasekh,Sh and
                       Madre,M. A. and Torres,M. A. and Sotelo,A.",
      title         = "{New promising Co-free thermoelectric ceramic based on
                       Ba-Fe-oxide}",
      year          = "2013",
}