@InProceedings{formation2009,
  author =       {Triwanto Simanjuntak and Masaki Nakamiya and Yasuhiro Kawakatsu},
  title =        {Design of Loose Formation Flying in the Vicinity of Halo Orbits Based on Initial Set Values},
  OPTcrossref =  {},
  OPTkey =       {},
  booktitle =    {20th workshop JAXA on Astrodynamics and Flight Mechanics, Kanagawa, Japan},
  year =         {2009},
  OPTeditor =    {},
  OPTvolume =    {},
  OPTnumber =    {},
  OPTseries =    {},
  OPTpages =     {},
  OPTmonth =     {},
  OPTaddress =   {},
  OPTorganization = {},
  OPTpublisher = {},
  OPTnote =      {},
  OPTannote =    {}
}