Giants in the Sky.

Seattle: University of Washington Press, 1973.

Rockwell, Theodore.

The Rickover Effect.

Annapolis, Md.: Naval Institute Press, 1992.

Roland, Alex.

A Spacefaring People:

NASA SP-4405. Washington, D.C.: U.S. Government Printing Office, 1985.

Romanov, Aleksandr.

Spacecraft Designer: The Story of Sergei Korolev.

अज्ञात पृष्ठ