@article{CTT100417456,
  author = {E. Tokumitsu and M. Shirahama and K. Nagao and S. Nozaki and M. Konagai and K. Takahashi},
  title = {Carbon doping in molecular beam epitaxial (MBE) growth of GaAs using neopentane as a novel carbon source},
  journal = {Journal of Crystal Growth},
  year = 1993,
}

@article{CTT100536172,
  author = {Eisuke Tokumitsu and Jun-ichi Shirakashi and M. Qi and Takumi Yamada and Shinji Nozaki and Makoto Konagai and Kiyoshi Takahashi},
  title = {Heavily carbon doped p-type In GaAs by MOMBE},
  journal = {Journal of Crystal Growth},
  year = 1992,
}