@article{CTT100432145,
  author = {Seiko Mitachi and S. Shibata and Shiro Takahashi},
  title = {The Glass System SiO<sub>2</sub>-B<sub>2</sub>O<sub>3</sub>-BaO-Na<sub>2</sub>O for HIgh-Numerical- Aperture Optical Fibers},
  journal = {J. Am. Ceram. Soc.},
  year = 1981,
}

@article{CTT100432123,
  author = {Terutoshi Kanamori and S. Shibata and Seiko Mitachi and Toyotaka Manabe},
  title = {Preparation and Properties of PbF2-AlF3 Glass},
  journal = {Jpn. J. Appl. Phys.},
  year = 1980,
}

@article{CTT100432073,
  author = {S. Shibata and Seiko Mitachi and Shiro Takahashi},
  title = {High Numerical Aperture Multicomponent Glass Fiber},
  journal = {Appl. Optics},
  year = 1980,
}

@article{CTT100432072,
  author = {S. Shibata and Terutoshi Kanamori and Seiko Mitachi and Toyotaka Manabe},
  title = {New Binary PbF<sub>2</sub>-AlF<sub>3</sub> Glasses},
  journal = {Mat. Res. Bull.},
  year = 1980,
}

@article{CTT100432066,
  author = {Shiro Takahashi and Seiko Mitachi and S. Shibata and Mituho Yasu},
  title = {Multicomponent Glass Fibres with High Numerical Aperture},
  journal = {Electron. Lett.},
  year = 1978,
}

@inproceedings{CTT100639825,
  author = {三田地 成幸 and 大石泰丈 and 柴田修一 and 真鍋豊孝},
  title = {フッ化物光ファイバの作製},
  booktitle = {昭和56年度電子通信学会総合全国大会},
  year = 1981,
}

@inproceedings{CTT100639826,
  author = {大石泰丈 and 三田地成幸 and 柴田修一 and 真鍋豊孝},
  title = {フッ化物ガラス中の希土類不純物吸収},
  booktitle = {昭和56年度電子通信学会総合全国大会},
  year = 1981,
}

@inproceedings{CTT100394453,
  author = {三田地成幸 and 柴田修一 and 真鍋豊孝},
  title = {フッ化物ファイバの作製},
  booktitle = {電子通信学会},
  year = 1980,
}

@inproceedings{CTT100394428,
  author = {柴田修一 and 高橋志郎 and 三田地成幸 and 安光保},
  title = {多成分光ファイバの耐候性},
  booktitle = {電子通信学会},
  year = 1978,
}