@article{CTT100573800,
  author = {AKIHITO SUZUKI and Ratu Ulfiati and MASABUMI MASUKO},
  title = {Evaluation of antioxidants in rapeseed oils for railway application},
  journal = {Tribology International},
  year = 2009,
}

@inproceedings{CTT100540860,
  author = {Akihito Suzuki and Ratu Ulfiati and MASABUMI MASUKO},
  title = {Development and Evaluation of Biodegradable Lubricants for Railways},
  booktitle = {RSCE 2005 Proceedings},
  year = 2005,
}

@inproceedings{CTT100539162,
  author = {Akihito Suzuki and Ratu Ulfiati and MASABUMI MASUKO},
  title = {UV-assisted-degradation of biodegradable base oil and effect on the tribological performance (Part II)},
  booktitle = {Proceedings of JAST Tribology Conference Tokyo, May 2003},
  year = 2003,
}

@inproceedings{CTT100538351,
  author = {Ratu Ulfiati and A. Suzuki and MASABUMI MASUKO},
  title = {UV-assisted-degradation of Biodegradable Base Oil and Effect on The Tribological Performance},
  booktitle = {Proceedings of JAST Tribology Conference Sendai, October 2002},
  year = 2002,
}