1.

Technical Paper
Technical Paper
1. Contamination Analysis of SSF Candidate Materials
Barry Johnson, R.
Pub. info.: NASA Technical Reports.  (NASA-CR-184431),  pp.1-52,  1991.  National Aeronautics and Space Adminstration
2.

Technical Paper
Technical Paper
2. ANALYSIS OF MATERIALS FROM MSFC LDEF EXPERIMENTS
Barry Johnson, R.
Pub. info.: NASA Technical Reports.  (NASA-CR-184425),  pp.1-5,  1991.  National Aeronautics and Space Adminstration
3.

Technical Paper
Technical Paper
3. Welding Space Vacuum Technology
Corthren, Bobby ; Barry Johnson, R.
Pub. info.: NASA Technical Reports.  (NASA-CR-184318),  pp.1-8,  1991.  National Aeronautics and Space Adminstration
4.

Technical Paper
Technical Paper
4. ANALYSIS OF ADVANCED OPTICAL GLASS AND SYSTEMS
Barry Johnson, R.
Pub. info.: NASA Technical Reports.  (NASA-CR-184434),  pp.1-56,  1991.  National Aeronautics and Space Adminstration