@article{Nane:60951,
      author        = "Nane, O. and Özçelik, B. and Sotelo, A. and Madre, M.
                       A.",
      title         = "{Effect of Na substitution on superconducting properties
                       of Bi-2212 ceramics prepared by Sinter-Forged process}",
      year          = "2017",
}