1.

Technical Paper
Technical Paper
1. MINIMUM PERFORMANCE STANDARDS - AIRBORNE LOW-RANGE RADAR ALTIMETERS
*
Pub. info.: NASA Technical Reports.  pp.1-64,  1974.  National Aeronautics and Space Adminstration
2.

Technical Paper
Technical Paper
2. ION THRUSTERS AND SPACECRAFT CONFIGURATION
Day, B.P. ; Palmer, M.D.
Pub. info.: NASA Technical Reports.  pp.1-15,  1974.  National Aeronautics and Space Adminstration