1. Miele, A. and Mancuso, S., Optimal ascent trajectories for a single-stage suborbital spacecraft, Aero-Astronautics Report 275, Rice University, 1997
2. Miele, A. and Mancuso, S., Optimal ascent trajectories for SSTO and TSTO spacecraft, Aero-Astronautics Report 276, Rice University, 1997
3. Miele, A. and Mancuso, S., Optimal ascent trajectories for TSTO spacecraft: extensions, Aero-Astronautics Report 277, Rice University, 1997
4. Miele, A. and Mancuso, S., Optimal ascent trajectories for SSSO, SSTO and TSTO spacecraft: extensions, Aero-Astronautics Report 278, Rice University, 1997
5. Anonymous, N. N., Access to space study, summary report, Office of Space Systems Development, NASA Headquarters, 1994