1. “L'Astronautique,”;Esnault-Pelterie,1930
2. A minimum orbital instrumented satellite—now;Singer;J. Brit. Interplanet. Soc.,1954
3. Control and power supply problems of instrumented satellites;Stuhlinger;Jet Propulsion,1956
4. Buchheim, R. W. (1956). Lunar instrument carrier—attitude stabilization. Rand Rept. RM-1730.
5. Stuhlinger, E. (1956). Instrumentation problems of unmanned satellites. Presented at the Semi-Annual Meeting American Rocket Society, Cleveland, June 1956; ARS Rept. 306–56.