@article{CTT100723466,
  author = {Irina Mustaţă and Kousuke Nishikawa and Asahi Takaoka and Satoshi Tayu and Shuichi UENO},
  title = {On Orthogonal Ray Trees},
  journal = {Discrete Applied Mathematics},
  year = 2016,
}

@inproceedings{CTT100664324,
  author = {Kousuke Nishikawa and Satoshi Tayu and Shuichi UENO},
  title = {A Note on the Subtree Isomorphism Problem},
  booktitle = {Proceedings of the 2013 IEICE General Conference},
  year = 2013,
}

@inproceedings{CTT100664318,
  author = {Kousuke Nishikawa and Satoshi Tayu and Shuichi UENO},
  title = {On Orthogonal Ray Trees},
  booktitle = {Technical Report of the IEICE},
  year = 2013,
}

@inproceedings{CTT100646537,
  author = {Kousuke Nishikawa and Satoshi Tayu and Shuichi Ueno},
  title = {Characterizations of Orthogonal Ray Trees},
  booktitle = {Proceedings of the 2012 IEICE Society Conference},
  year = 2012,
}

@inproceedings{CTT100642602,
  author = {Kousuke Nishikawa and Satoshi Tayu and Shuichi UENO},
  title = {A Note on the Maximum Balanced Biclique Problem},
  booktitle = {Proceedings of the 2011 IEICE Society Conference},
  year = 2011,
}