1. NASA Sounding Rocket Program Handbook” June 2005, NASA Goddard Space Flight Center Wallops Flight Facility Wallops Island, VA 23337 July 2025.
2. NASA page, Spuntik and The dawn of the dpaceage, https://history.nasa.gov.in, NASA Distory Division.
3. Magnus Mar Gudnason, “Characterization of Potassium Nitrate - Sugar Alcohol Based Solid Rocket Propellants” NASA’s Goddard Space Flight Center, Greenbelt, Md “August 2010
4. Stephen G. Wurst, Harry Scott, “Low earth orbit payload launch system” Wurst, Stephen G. (Lancaster, CA) 15 December 1999.
5. B. Benech, J. Dessens “Mid-latitude artificial noctilucent clouds initiated by high-altitude rockets” Journal of Geophysical Research (1896-1977) Volume 79, Issue 9 p. 1299–1301.