1. J. Holdren, White House Office of Science and Technology Policy (OSTP), OSTP Letter Report to the Senate on Near-Earth Objects, October 15, 2010. Available from: 〈http://www.whitehouse.gov/sites/default/files/microsites/ostp/ostp-letter-neo-senate.pdf〉.
2. B. Wie, Hypervelocity nuclear interceptors for asteroid disruption, in: Proceedings of the 2011 Planetary Defense Conference, Acta Astronautica 2012, Bucharest, Romania, 9–12 May 2011, http://dx.doi.org/10.1016/j.actaastro.2012.04.028.
3. B. Kaplinger, B. Wie, and D. Dearborn, Nuclear fragmentation/dispersion modeling and simulation of hazardous near-earth objects, in: Proceedings of the 2011 Planetary Defense Conference, Acta Astronautica 2012, Bucharest, Romania, May 2011, http://dx.doi.org/10.1016/j.actaastro.2012.10.013.
4. A. Pitz, B. Kaplinger, and B. Wie, Preliminary design of a hypervelocity nuclear interceptor system (HNIS) for optimal disruption of near-earth objects, AAS 12-225, Charleston, SC, February 2012.
5. S. Wagner, A. Pitz, D. Zimmerman, and B. Wie, Interplanetary ballistic missile (IPBM) system architecture design for near-earth object threat mitigation, IAC-09-D1.1.1, Daejeon, Korea, October 2009.