1. Mission Needs Statement for Operationally Responsive Spacelift,2004
2. Quickreach responsive launch system;Hudson,2006
3. An Affordable Micro Satellite Launch Concept in Japan. AIAA. 6th Responsive Space Conference. Los Angeles, CA, USA;Matsuda,2008
4. A Study of Air Launch Methods for RLVs;Sarigul-Klijn,2001