1. 1) Jahn, R. G.: Physics of Electric Propulsion, McGraw-Hill, New York, 1968.
2. 2) Hosoda, S. and Kuninaka, H.: The Homeward Journey of Asteroid Explorer “Hayabusa” Powered by the Ion Engines, J. Plasma Fusion Res., 86 (2010), pp. 282–293 (in Japanese).
3. 3) Kuninaka, H.: Research and Development of JIEDI (JAXA Ion Engine Development Initiatives) Tool for Numerical Evaluation of Ion Engine Grid Lifetime, JAXA-SP-06-019, 2007, pp. 5–9 (in Japanese).
4. 4) Funaki, I., Watanabe, H., Nakano, M., Kajimura, Y., Miyasaka, T., Nakamura, Y., Kuninaka, H., and Shinohara, I.: Numerical Lifetime Evaluation of Ion Thruster's Ion Optics using the JIEDI Tool, 48th AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit, AIAA Paper 2012-3797, 2012.
5. 5) Funaki, I., Shinohara, I., Nakano, M., Kajimura, Y., Miyasaka, T., Nakayama, Y., Hyakutake, T., Wada, M., Kenmotsu, T., Muramoto, T., and Kuninaka, H.: JAXA’s Ion Engine Development Initiatives, JAXA-RM-11-023, 2012 (in Japanese).