@article{CTT100414590,
  author = {平田　敦 and 戸倉　和 and 吉川昌範},
  title = {Smoothing of Diamond Films by Ion Beam Irradiation},
  journal = {Journal of the Japan Society for Precision Engineering},
  year = 1992,
}

@article{CTT100414591,
  author = {Atsushi HIRATA and Hitoshi TOKURA and Masanori YOSHIKAWA},
  title = {Smoothing of chemically vapor deposited diamond films by ion beam irradiation},
  journal = {Thin Solid Films},
  year = 1992,
}