@misc{indiciaeda0558516f9b,
  title = {Variable polarity plasma arc welding on the Space Shuttle external tank},
  author = {Nunes, A. C., Jr. and Bayless, E. O., Jr. and Jones, C. S., III and Munafo, P. M. and Biddle, A. P. and Wilson, W. A.},
  year = {1984},
  url = {https://ntrs.nasa.gov/citations/19840065754},
  note = {Source identifier: 19840065754}
}