@article{Kiirat:168086,
      author        = "Kiirat, G. and Aksan, M.A. and Rasekh, Sh. and Madre, M.A.
                       and Diez, J.C. and Sotelo, A.",
      title         = "{Decrease of Ca3Co4O9+δthermal conductivity by
                       Yb-doping}",
      year          = "2015",
}