1. , , , , , , , AIAA 99-2278 35th AIAA/ASME/SAE/ASEE Joint Propulsion Conference and Exhibit, Los Angeles, June 1999
2. , IEPC 99-051 26th International Electric Propulsion Conference, Kitakyushu, JAPAN, October 1999
3. 35th AIAA/ASME/SAE/ASEE Joint Propulsion Conference and Exhibit, Los Angeles, June 1999
4. , , , , , 20th International Symposium on Rarefied Gas Dynamics, Beijing, China, August 1996
5. , , , , 33rd AIAA/ASME/SAE/ASEE Joint Propulsion Conference and Exhibit, Seattle, 6-9July 1997