@article{CTT100630594,
  author = {A.A. Belik and F. Izumi and M. Azuma and T. Kamiyama and Oikawa K. and Pokholok K.V. and B.I. Lazoryak and M. Takano},
  title = {Redox Reactions in Strontium Iron Phosphates: Synthesis, Structures, and Characterization of Sr9Fe(PO4)7 and Sr9FeD(PO4)7},
  journal = {Chem. Mater.},
  year = 2005,
}