@article{Özçelik:79515,
      author        = "Özçelik, B. and Nane, O. and Sotelo, A. and Amaveda, H.
                       and Madre, M. A.",
      title         = "{Effect of Na substitution and Ag addition on the
                       superconducting properties of Bi-2212 textured materials}",
      year          = "2017",
}