@article{CTT100821690,
  author = {A.Kitada and Y.Tsujimoto and T.Yamamoto and Y.Kobayashi and Y.Narumi and K.Kindo and A.A.Aczel and G.M.Luke and Y.J.Uemura and Y.Kiuchi and Y.Ueda and K.Yoshimura and Y.Ajiro and H.Kageyama},
  title = {Quadruple-layered perovskite (CuCl)Ca<sub>2</sub>NaNb<sub>4</sub>O<sub>13</sub>},
  journal = {},
  year = 2011,
}