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@article{CTT100625124,
  author = {H. Shiraki and T. Saito and Takahiro Yamada and M. Tsujimoto and M. Azuma and Hiroki Kurata and Syoji Isoda and M. Takano and Y. Shimakawa},
  title = {Ferromagnetic cuprates CaCu3Ge4O12 and CaCu3Sn4O12 with A-site ordered perovskite structure},
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@article{CTT100633340,
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  title = {Aサイトオーダーダブルペロブスカイト型構造を持つ強磁性銅酸化物CaCu3Ge4O12及びCaCu3Sn4O12},
  journal = {粉体および粉末冶金},
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}