Spaceships of the mind /

समान संसाधन

• Planetary exploration : thirty years of unmanned space probes /
  द्वारा: Smith, Arthur C., 1928-
  प्रकाशित: (1988)
• Spacefarers of the '80s and '90s : the next thousand people in space /
  द्वारा: Oberg, Alcestis R., 1949-
  प्रकाशित: (1985)
• Space and society : studies for the seminar on problems of outer space /
  प्रकाशित: (1964)
• Some commercial and industrial aspects of the space program /
  द्वारा: Enzer, Selwyn
  प्रकाशित: (1969)
• Space Tech conference proceedings, September 23-25, 1985, Anaheim, California /
  प्रकाशित: (1985)