1. Deceleration of antiprotons in support of antiproton storage/utilization research;Howe,2005
2. In: El-Genk MS, editor. Space technology an applications international forum. AIP conference proceedings. Melville, NY: American Institute of Physics; 1999–2005.
3. The state of space propulsion research. Technical Memorandum 2006-214547;Sackheim,2006
4. Gravitation and cosmology: principles and applications of the general theory of relativity;Weinberg,1972
5. From wormholes to the warp drive: using theoretical physics to place ultimate bounds on technology;Hiscock,2002