Bittig, John W.; Beatty, Douglas N.; Augustine, Norman R. Princeton University. Department of Aeronautical Engineering (ed.). Preliminary Design for a Supersonic Trainer (Thesis). Archived from the original on August 5, 2020. Retrieved May 23, 2020.
"1992 NATIONAL SPACE TROPHY RECIPIENT" (Press release). Rotary National Award for Space Achievement Foundation. April 4, 2011. Archived from the original on January 19, 2012. Retrieved April 18, 2011.
Powers, Shawn M; Jablonski, Michael (April 2015). The Real Cyber War. Champaign, IL: University of Illinois Press. pp. 63–69. ISBN978-0-252-09710-2. Archived from the original on November 17, 2015. Retrieved November 15, 2015.
web.archive.org
Bittig, John W.; Beatty, Douglas N.; Augustine, Norman R. Princeton University. Department of Aeronautical Engineering (ed.). Preliminary Design for a Supersonic Trainer (Thesis). Archived from the original on August 5, 2020. Retrieved May 23, 2020.
Powers, Shawn M; Jablonski, Michael (April 2015). The Real Cyber War. Champaign, IL: University of Illinois Press. pp. 63–69. ISBN978-0-252-09710-2. Archived from the original on November 17, 2015. Retrieved November 15, 2015.
"1992 NATIONAL SPACE TROPHY RECIPIENT" (Press release). Rotary National Award for Space Achievement Foundation. April 4, 2011. Archived from the original on January 19, 2012. Retrieved April 18, 2011.