@article{CTT100659918,
  author = {Nobutomo Fujiwara and Shinji Imahori and Tomomi Matsui and Ryuhei Miyashiro},
  title = {Constructive Algorithms for the Constant Distance Traveling Tournament Problem},
  journal = {Lecture Notes in Computer Science},
  year = 2007,
}

@article{CTT100659919,
  author = {Ayami Suzuka and Ryuhei Miyashiro and {Akiko Yoshise and Tomomi Matsui},
  title = {The home-away assignment problems and break minimization/maximization problems in sports scheduling},
  journal = {Pacific Journal of Optimization},
  year = 2007,
}