@article{Çetin:106629,
      author        = "Çetin, G. and Özçelik, B. and Gürsul, M. and Madre,
                       M.A. and Sotelo, A. and Adachi, S. and Takano, Y.",
      title         = "{Drastic modification of low temperature thermoelectric
                       properties of Na-doped Bi2Sr2Co2Oy ceramics prepared via
                       laser floating zone technique}",
      year          = "2020",
}