@misc{indiciae70621be6a0cb,
  title = {Saturn V, S-IC Y-ring electron beam welding system},
  author = {Brennecke, M. W. and Hoppes, R. V. and Stanton, W. P.},
  year = {1965},
  url = {https://ntrs.nasa.gov/citations/19670002634},
  note = {Source identifier: 19670002634}
}