@article{CTT100575184,
  author = {N. Yasui and H. Inaba and N. Kasahara and H. Murakami and N. Ohtake},
  title = {Tribological Characteristics of Ultra-Thin DLC Films Prepared by Filtered Cathodic Vacuum Arc},
  journal = {Transactions of Materials Research Society of Japan},
  year = 2006,
}

@inproceedings{CTT100575215,
  author = {N .Yasui and H. Inaba and N. Kasahara and H. Murakami and N. Ohtake},
  title = {The Effect of Surface Energy and Effective Young’s Modulus on Ultra-Thin DLC Films},
  booktitle = {Abstract of Int. Conf. New Diamond and Nano Carbons},
  year = 2007,
}