1. Variable polarity plasma arc welding on space shuttle external tank;Nunes;Weld. J.,1984
2. Contractor for the International Space Station;Woodward;Weld. J.,1996
3. Gas contamination effects in variable polarity plasma arc welded aluminum;Torres;Weld. J.,1984
4. Effect of weld gases on melt zone size in VPPA welding of Al 2219;Martinez;Weld. J.,1992
5. Front side keyhole detection in aluminum alloys;Martinez;Weld. J.,1992