Saturn IBScienceA Forgotten Rocket: The Saturn IBBy David S F PortreeScienceSagan & Swan's Voyager Mars Landing Sites (1965)By David S F PortreeScienceSkylab on the Moon (sort of) (1966)By David S F PortreeScienceA 1971 Plan for an Evolutionary Interim Space Station ProgramBy David S F PortreeScienceCombining LM Shelter Delivery & Lunar Polar Orbit Mapping (1966)By David S F PortreeScienceBefore the Fire: Saturn-Apollo Applications (1966)By David S F PortreeScienceTalking to the Farside: Apollo S-IVB Stage Relay (1963)By David S F PortreeScienceRAND's Apollo Back-up Plan (1965)By David S F PortreeScienceGreat Balls of Fire: Apollo Rocket Explosions (1965)By David S F Portree
