1. http://www.hayabusa.isas.jaxa.jp/ [cited 1August 2006].
2. Jun'ichiro Kawaguchi, Masatoshi Matsuoka, Takashi Kominato, "Ion Engines Cruise of Hayabusa to Itokawa - Trajectory Synthesisand Results", AAS06-210
3. Masashi Uo, Ken'ichi Shirakawa, Tatsuaki Hasimoto, Takashi Kubota, Jun'ichiro Kawaguchi, " Hayabusa's Touchingdown to ITOKAWA - Autonomous Guidance and Navigation",AAS06-215