1. Aerocapture Systems Analysis for a Neptune Mission;Lockwood,2006
2. Drag-modulation flight-control system options for planetary aerocapture;Putnam;J. Spacecr. Rockets,2014
3. D.T. Lyons, W. Johnson, Ballute Aerocapture Trajectories at Neptune, in: AIAA Atmospheric Flight Mechanics Conference and Exhibit, Providence, RI, 2004, http://dx.doi.org/10.2514/6.2004-5181, AIAA 2004-5181.
4. A.D. McRonald, A Light-Weight Hypersonic Inflatable Drag Device for Neptune Orbiter, in: AAS/AIAA Spaceflight Mechanics Meeting, Clearwater, FL, 2000, AAS 00-170.
5. Apollo Reentry Guidance;Lickly,1963