@article{CTT100552021,
  author = {Masanori Hirai and S. Kumano and MAKOTO OKA and K. Sudoh},
  title = {Proposal for exotic-hadron search by fragmentation functions},
  journal = {Physical Review},
  year = 2008,
}

@inproceedings{CTT100787273,
  author = {M. Nishizawa and K. Koba and A. Makabe and N. Yoshida and M. Hirai and J. Miyazaki and T. Lunoura and K Takai},
  title = {Linking Nitrogen Isotope Systematics and Microbiology in a Subsurface Geochemical Water Stream, Hishikari Gold Mine,Japan},
  booktitle = {},
  year = 2011,
}

@inproceedings{CTT100598877,
  author = {M. Hirai and S. Kumano and M. Oka and K. Sudoh},
  title = {Determination of f(0)(980) Structure by Fragmentation Functions},
  booktitle = {Mod. Phys. Lett.},
  year = 2008,
}

@inproceedings{CTT100621271,
  author = {M. Hirai and S. Kumano and T.-H. Nagai and M. Oka and K. Sudoh},
  title = {Global analysis of hadron-production data in e+ e- annihilation for determining fragmentation functions},
  booktitle = {},
  year = 2007,
}