@misc{indiciaed9acc97c93f9,
  title = {The Variable Polarity Plasma Arc Welding Process: Its Application to the Space Shuttle External Tank},
  author = {Nunes, A. C., Jr. and Bayless, E. O., Jr. and Wilson, W. A.},
  year = {1984},
  url = {https://ntrs.nasa.gov/citations/19850005806},
  note = {Source identifier: 19850005806}
}