@book{CTT100527243,
  author = {中本泰史},
  title = {天文の事典},
  publisher = {朝倉書店},
  year = 2003,
}

@article{CTT100790811,
  author = {Takeshi Nakazato and Taishi Nakamoto and Masayuki Umemura},
  title = {A Spectrophotometric Method to Determine the Inclination of Class I Objects},
  journal = {The Astrophysical Journal},
  year = 2003,
}