Aeronautics and space report of the President : fiscal year ... activities
NASA tech briefs : engineering solutions for design & manufacturing
NASA's Discovery Program : the first twenty years of competitive planetary exploration
NASA Armstrong Flight Research Center's contributions to the space shuttle program
Spinoff : commercialized NASA technology online
NASA tech briefs : engineering solutions for design & manufacturing
Aeronautics and space report of the President : fiscal year ... activities
The International Space Station - operating an outpost in the new frontier