Biggs, Robert E. (May 1992). "Space Shuttle Main Engine: The First Ten Years". In Stephen E. Doyle (ed.). History of Liquid Rocket Engine Development in the United States 1955–1980. AAS History Series. American Astronautical Society. pp. 69–122. ISBN978-0-87703-350-9. Archived from the original on December 25, 2011. Retrieved December 12, 2011.
"The Cause of the Accident". Report of the Presidential Commission on the Space Shuttle Challenger Accident. NASA. June 6, 1986. Archived from the original on May 10, 2023. Retrieved December 8, 2011.
Biggs, Robert E. (May 1992). "Space Shuttle Main Engine: The First Ten Years". In Stephen E. Doyle (ed.). History of Liquid Rocket Engine Development in the United States 1955–1980. AAS History Series. American Astronautical Society. pp. 69–122. ISBN978-0-87703-350-9. Archived from the original on December 25, 2011. Retrieved December 12, 2011.
"Nozzle Design". March 16, 2009. Archived from the original on October 2, 2011. Retrieved November 23, 2011.
"The Cause of the Accident". Report of the Presidential Commission on the Space Shuttle Challenger Accident. NASA. June 6, 1986. Archived from the original on May 10, 2023. Retrieved December 8, 2011.