@article{CTT100923393,
  author = {Kazuhiro Nagata and Eiji Izawa and Hideto Iwai and Takashi Watanabe and Tetsuya Nakanishi},
  title = {Development of Ancient Copper Smelting to Ironmaking},
  journal = {ISIJ International},
  year = 2023,
}

@article{CTT100923392,
  author = {永田和宏 and 井澤英二 and 岩井秀人 and 渡邊玄 and 中西 哲也},
  title = {古代青銅製鉄実験から鉄製錬への展開の実験的検証},
  journal = {金属},
  year = 2023,
}